Orion TI-36X Users Manual Rev.A
Contents
1. TAN for F 3 11 Probability A combination is an arrangement of objects in which order is not important as in a hand of cards 45 nCr calculates the number of possible combinations of n items taken r at a time A permutation is an arrangement of objects in which the order is important as in a race nPr calculates the number of possible permutations of n items taken r at a time The 3rd LOG key calculates the factorial of the displayed value which must be an integer in the range of 0 to 69 3 12 Physical Constants Physical constants can be entered using the following key sequences c 3 CE C SIN Speed of light g 3rd CE C COS Gravitational acceleration Me 3 CE C TAN Electron mass e 3rd CE C y Electron charge n 3rd CE C 1 X Planck s constant NA 341 CE C X Avogadro s number R 3rd CE C Vx Ideal gas constant G 3rd CE C Universal gravitation 46 3 13 English Metric Conversions Unit conversions between English and Metric systems are available only in Decimal mode and can be performed with the following key sequences gt in 2nd 1 Centimeters to inches ecm 3rd 1 Inches to centimeters Peal 2nd 21 Liters to U S liquid gallons gt 3rd 2 U S liquid gallons to liters Ib 2nd 3 Kilograms to pounds eke 3 3 Pounds to kilograms gt F 204 0 Celsius to Fahrenheit gt 3 0 Fahren2. The DRG key cycles the angle unit setting between degrees radians and grads without affecting the displayed or spoken angle 350 The DRGP cycles the angle setting between degrees radians and grads for display entry and calculation It also converts the value shown on the display to the new unit selected by the DRGP key The calculator automatically resets to degree angle units when you press the ON AC key 3 4 Hyperbolic functions The HYP key when pressed before a trigonometric function key enables you to use the trigonometric function keys to access hyperbolic functions Similarly the HYP 2nd key sequence enables you to perform inverse hyperbolic functions when pressed before a trigonometric function key 3 5 Transcendental functions The universal power key raises any positive number to any power within range of the calculator The key sequence Vy 2nd YJ universal root calculates any root of any positive number within range of the calculator The LN key calculates the natural logarithm base of the number in the display The e 2nd LN key sequence calculates the natural antilogarithm of the number in the display 236 The LOG key calculates the common logarithm base 10 of the number in the display The 101 2nd LOG key sequence calculates the common antilogarithm of the number in the display 3 6 Memory functions The TI 36X has 3 memories W
3. 1 1 weighting X values Stat 1 Stat 2 HEX digit C HEX Ideal gas constant PES 2 Y 1 3rd Y 1 Universal Power Universal Root Percentage e 3rd CE C Y Electron charge 19 Row 7 Col 1 2nd Row 7 Col 2 SIN SIN 2nd SIN D Srd SIN C 8rd CE C SIN Row 7 Col 3 COS COS Pnd COS E 3rd COS 01 Brd CE C COS Row 7 Col 4 TAN 2nd TAN F Srd TAN me Srd CE C TAN Row 7 Col 5 CE C FIX 2nd CE C CONST Brd CE CI Second function key Sine Arcsine Hex digit D HEX Speed of light Cosine Arccosine Hex digit E HEX Gravitational acceleration Tangent Arctangent Hex digit F HEX Electron mass Clear entry Clear FIX notation Constants mode 20 Row 8 Col 1 3rd Row 8 Col 2 HYP DRG 2nd HYP DRGP 3 Row 8 Col 3 10 2nd LOG X Brd LOG Row 8 Col 4 LN e 2nd LN Vx 3rd L NI Row 8 Col 5 ON AC Third function key Hyperbolic functions Select Angle Unit Change convert Angle Unit Common Logarithm 10 power X Factorial Natural Logarithm power Cube root Power Clear 2 8 Display of results The display shows entries and results with a maximum of 10 significant digits a minus sign and a two digit exponent
4. ENG 3rd 4 to set the display and speech in the desired format 5 FIX 2nd CE C Fixed Decimal key sequence This key sequence enables you to set the number of decimal places displayed and spoken in a result a To fix the number of decimal places press 2nd CE C and then press the appropriate digit key 0 9 This will result in the 24 updated display being spoken to confirm the decimal places selected b To undo the fixed decimal setting press 2 If a result has more than the selected number of decimal places the displayed result is rounded If a result has less than the selected number of decimal places trailing zeroes are inserted You can transform the result of a calculation from one format to another To convert a result simply press the 2nd CE C 8rd 5 3rd 6 or the 8rd key sequence depending on the display format desired 2 8 2 Converting an entered number Enter the number Press Then press one of the key sequences described above 2 9 Clearing and correcting For clearing incorrect entries and correcting them you can use either the CE C ON AC or the gt key CE C This key has the following uses 1 To clear an incorrect numerical entry press CE C once E 2 To clear an error condition indicated by Error in the display and spoken as Error press CE C once 3 To clear the display and all pending operations press CE
5. Zero The 10 D keys open and close a parenthetical expression respectively A set of operations enclosed in parentheses is given priority over operations outside the parentheses You can open a maximum of 15 sets of parentheses 3rd This key sequence enters the value of Pi in the display 3 3 Trigonometric functions The SIN COS and TAN keys calculate the sine cosine and tangent respectively of the angle in the display 34 The calculator interprets the angle in the units Degrees Radians or Grads selected by the DRG or DRG 3rd HYP key sequence If you enter angle in degree minute second format you must first convert it to decimal degrees before using these functions Inverse trigonometric functions The SIN 20944514 COS 2nd COS and TAN 2nd TAN key sequences calculate the angle in the selected units whose sine cosine or tangent is in the display P DD 2 converts angle from degrees minutes seconds format to decimal degrees Enter the angle as D MMSSs and press DD 12 51 1 Here D represents degrees 0 7 digits the dot is the decimal point MM represents minutes must be 2 digits SS represents seconds must be 2 digits and s is the fractional part of a second The PDMS 3rd key sequence temporarily displays and speaks the current value in degrees minutes seconds Enter the angle as D ddddddd and press gt DMS 3rd 7
6. and Z keys will be spoken out only in Statistics Mode In other modes these keys will give an ERROR After entering the data values statistical operations can be performed as shown below x 2nd X mean of the entered data Ox 2nd population standard 2nd VX deviation n weighting sample standard deviation n 1 weighting x 2nd STO sum of data values x 2nd 7 sum of squares n 2nd EE number of data values FRQ 2nd 1 x Adds or removes multiple occurrences of a data point CE C Clears the current entry Does not affect statistical data or memory ON AC Clears all statistical data STAT mode and memory currently in the registers You will be able to hear this if you are in the verbose or default speech modes After entering the data values statistical operations can be performed as shown below 3 7 2 Two Variable Statistics To enter into Two Variable Statistics mode press 3 E To enter statistical data values 1 Press 2nd CSR to clear all statistical data 2 Enter x data value and press the x4 y key then enter y data value and press 5 key Continue until all the data values are entered If you enter an incorrect value remove it by re entering the x value and pressing x y and then y value and X 2nd Z then enter the correct value as above and press 5 Each time you
7. liquid gallons 0 5 liquid gallons to liters The digit three Kilograms to pounds Pounds to kilograms Addition Predicted y value Stat 2 Engineering Notation Recall memory Add to memory Exchanges displayed and Memory values The digit four Intercept Stat 2 Correlation coefficient Stat 2 2155 Row 3 Col 3 5 SLP 2nd 5 FLO 3rd 5 Row 3 Col 4 6 X 2nd 6 SCI 2rd 6 Row 3 Col 5 2xy 2nd NOT Srd T Row 4 Col 1 STO 2nd STO AND 3rd STO Row 4 Col 2 7 2x7 2nd 7 OR 3 91 7 The digit five Slope Stat 2 Floating Decimal The digit six Predicted x value Stat 2 Scientific Notation Subtraction Sum of the xy products Stat 2 Logical NOT HEX OCT BIN Store in Memory Summation X Stat 1 Stat 2 Logical AND HEX OCT BIN The digit seven Sum of X square Stat 1 Stat 2 Logical OR HEX OCT BIN 16 Row 4 Col 3 8 2nd 8 XOR 3rd 8 Row 4 Col 4 9 Ey 2nd 9 XNOR 3rd 9 Row 4 Col 5 X Oyn 2nd X BIN 2rd X Row 5 Col 1 2 2 2 gt STAT 2 3rd Row 5 Col 2 n 2nd EE DEC Srd EE The digit eight Summation Y Stat 2 Logical XOR HEX OCT BIN The digit nine Sum of Y square Stat 2 Logical XNOR HEX OCT BIN Multiplication
8. press the or the 5 1 2nd E keys the display shows the number of data values 39 2nd X mean of the entered data 2nd mean of the entered data Oxn 2nd population standard deviation n weighting 2nd X population standard deviation n weighting Oxn 1 2nd Vx sample standard deviation n 1 weighting 1219101 sample standard deviation n 1 weighting 2x 2nd STO sum of data values zy 2nd 8 sum of data values 5 7 2nd 7 sum of squares 2nd 9 sum of squares n 2nd EE number of data values Zxy 2nd Sum of the xy products COR 3rd 4 Correlation coefficient ITC 2nd 4 Intercept SLP 2nd S Slope x 2nd 6 Predicted x value y 2nd Predicted y value FRQ 2nd 1 x Adds or removes multiple 40 occurrences of a data point CE C Clears the current entry Does not affect statistical data or memory ON AC Clears all statistical data STAT mode and memory 3 8 Fractions To enter a pure fraction such as 1 6 as a b 1 Enter as many as six digits for a 2 Press a c The unit will say over between the values entered for a and b if the repeat button is pressed to speak out the display 3 Enter as many as three digits for b Note If you attempt to enter more than 3 digits for b the unit will sound a warni
9. x 4 y to display the y coordinate To convert from rectangular to polar follow the same steps as given above except that in steps 2 and 3 enter the x and y coordinate respectively Press the R gt key in step 4 Note To recall the x or the r coordinate press x lt Py again You can use to alternately display the x and the y coordinates until you press CE C CE C ON AC or The unit always speaks out the display when the x coordinate or the y coordinate is displayed 3 10 Number System Modes The 8rd EE key sequence selects the decimal mode When you press the above sequence the number in the display is automatically converted to its decimal equivalent Note Normally you should keep the calculator in the decimal mode Some of the calculator s operating features are limited in other modes The 8rd X key sequence selects the binary mode and shows the BIN indicator on the display which is spoken out when the Special Functions feature 43 mode is active In this mode you perform arithmetic operations with binary numbers integers only When you press the key sequence above the integer portion of the number in the display is automatically converted to its binary equivalent and is spoken out You can enter positive binary numbers as large as 111111111 9 digits Numbers beyond this are interpreted as negative two s complement numbers keys that are not function
10. Population standard deviation n weighting Y values Stat 2 Binary mode Enter data Stat 1 Stat 2 Remove data Stat 1 Stat 2 Two Variable Statistics Enter Exponent Number of data points Stat 1 Stat 2 Decimal mode Row 5 Col 3 y 2nd HEX 9 1 0 Row 5 Col 4 DI Oyn 1 2nd OCT Sra D Row 5 Col 5 Oxn 2nd Srd G Srd CE C Row 6 Col 1 x lt Py CSR 2nd x lt gt Open parenthesis Mean of Y values Stat 2 Hexadecimal mode Close parenthesis Sample standard deviation 1 1 weighting Y values Stat 2 Octal mode Division Population standard deviation n weighting X values Stat 1 Stat 2 Pi Universal gravitation Exchange X and Y Clears all statistical data Stat 1 Stat 2 STAT 1 3rd One variable statistical mode 4 gt y 18 Row 6 Col 2 1 x FRQ 2041 1 Srd 1 x Reciprocal Adds or removes multiple occurrences of a data point Stat 1 Stat 2 Hex digit A HEX h 3 1 1 Planck s constant Row 6 Col 3 X x 2nd B 2rd NA 8 1 Row 6 Col 4 Square Mean of X values Stat 1 Stat 2 HEX digit B HEX Avogadro s number VX Square root oxn 1 2nd Vx Sample standard deviation C 3rd VX R Brd CE C VX Row 6 Col 5
11. arithmetic operations of addition subtraction multiplication and division respectively The key completes all pending operations and displays and speaks the result The 1 x Vx and Nx keys calculate the reciprocal square square root and the cube root of the displayed number respectively These are immediate functions Active keys that operate on the displayed number and do not need a second operand The key sequence 3rd y performs percentage calculations 3 2 Number entry editing and display The keys 0 through 9 and A through F are used to enter digits in the display A through F are available only in the hexadecimal mode You can enter a maximum of 10 digits and a decimal point If you attempt to enter more than 10 digits the unit will sound a warning tone and the digit will be ignored The key enters a decimal point in a numeric value 33 The key changes the sign of the number in the display To enter a negative number first enter the number as a positive value then press If the display shows only zero then on pressing the key the unit will speak out PLUS In binary hexadecimal or octal mode the key works as the NEG key and calculates the two s complement of the number in the display The gt key clears the last digit of the current numeric entry Repeatedly pressing this key clears an entry digit by digit until the display becomes
12. is the answer to cos 0 Press 2 when you are in speech mode menu to select this speech mode and the unit will confirm by speaking Answer Mode Then exit the speech mode menu by pressing ON AC key briefly for the selection to get activated 98 2 10 1 3 Quiet Mode In this speech mode the key pressed is always spoken but the answer is spoken only when you press the 1 1 equals key However answers to some operations which are not spoken on pressing the equals key are spoken in this mode These are The outcome of pressing the RP P and xVy keys decimal equivalent of an improper fraction and the change in display due to the FIX key For example If you have entered 0 COS the unit will say zero cosine Only on pressing the key you will hear equals one which is the answer to cos 0 Of course the repeat button the lower of the two buttons located on the right hand side towards the top of the unit may be used at any time to vocalize the display Press 3 when you are in speech mode menu to select this speech mode and the unit will confirm by speaking Quiet Mode Apart from these basic speech modes the Orion TI 36X has additional feature modes that can be used with all speech modes 29 2 10 2 Feature Modes 2 10 2 1 Descriptive mode Pressing the 4 key once in the speech mode menu invokes this mode and causes the unit to say Descriptive Mode In
13. the fixed decimal setting Results in decimal are displayed and spoken in the following range 9999999999 to 0 000000001 0 0 000000001 to 9999999999 If the result is outside this range it is displayed and spoken out in scientific notation SCI 3 9 6 This key sequence selects the scientific notation Each result is expressed and spoken as a mantissa and an exponent ENG 8rd This key sequence selects the engineering notation This is like scientific notation except that all exponent values are multiples of three EE This key allows you to enter an exponent in scientific or engineering notation You can enter 23 a number as small as 1 x 10 and large as 9 999999999 x 10 To enter such a number a Enter the Mantissa If it is negative press the key b Press EE The unit will say the mantissa with a zero exponent if you press the repeat button at this point If you have pressed the EE without first entering a mantissa the calculator restores the mantissa to 1 by default c Enter the exponent Press the key if it is negative If an incorrect key has been pressed then you can simply re enter the correct digits the last two digits you enter are displayed and used for calculations d Press to enter the number This 18 not essential and the number will be accepted even if any other operational key is pressed Then if necessary press SCI 3 9 6 or
14. C twice By pressing the ON AC key you can reset the calculator entirely The 2 key deletes the last digit you entered Pressing it repeatedly allows you to correct as many digits as you wish The display is spoken each time you press the gt key if numerical keys or the FLO 0 D 3rd HYP DRG a c or FIX key preceded the 2 key Pressing the 2 key twice also causes the unit to speak out the display Exchange X and Y This key sequence exchanges 1 The values of x and y in universal power and root calculations 2 The minuend and the subtrahend in subtraction 3 The divisor and dividend division 4 The constant value and the value in the display in a constant calculation Pressing the REPEAT OFF button the lower of the two buttons located on the right hand side of the a unit briefly at any time will cause the contents of the display to be spoken 2 10 Speech modes Your Orion TI 36X Talking Scientific Calculator comes with a host of features that enable you to adjust the speech to your liking There are three major speech modes and three feature modes 2 10 1 Selecting Speech Modes Press the LEARN MODE button for more than two seconds until you hear Enter speech mode menu This indicates that the unit has entered the Speech Mode Menu which will allow you to select cancel various speech and feature modes These modes are selected cancelled by pressing digit k
15. For example in the Decimal Mode 1 SIN calculates the sine of 1 while t Bnd SIN calculates the arcsine of 1 In addition the HYP key when pressed before a trigonometric function key generates the hyperbolic equivalent of the function The 2nd 8rd and HYP modifiers can be cancelled by pressing these keys again upon which the unit speaks Normal after the key is spoken out The Orion TI 36X calculator can be used in six different modes viz Decimal the default mode at power on Hexadecimal Octal Binary One Variable Statistics and Two Variable Statistics These modes can be selected using the 3rd key The 8rd key is located in the 8 row and 1 12 column The six modes be set by pressing the 3rd key followed by other keys as shown below Key Sequence Calculator Mode Srd EE Decimal mode 3rd X Binary mode 3rd Octal mode 3rd Hexadecimal mode Srd x lt gt y One Variable Statistics Srd Z Two Variable Statistics Note Some operating features such as trigonometric functions are available only in decimal mode and statistics mode You will hear a warning tone or the word Error if you attempt to use a feature that is not available Given below are the positions of the keys on the keypad in row column format the functions that the key performs and the sequence of keys required to invoke the function If a key has a special function in a particular mode other
16. ORION 36 TALKING SCIENTIFIC CALCULATOR Table of Contents Lif Tntrod ction ace 1 151 et vto E NEUE 1 1 2 Conventions used in this manual 3 2 Getting Familiar with your ORION TI 36X Cale aM DE uen 5 5 22 Orientation of the unit and its Controls 5 2 3 Power supply and Charging 6 2 4 Switching on the 222 222 9 2 9 Volume 1 ete Pii 9 2 6 ove tae pt 10 2 7 Orientation of Keys ose pee 11 2 8 Display of results cest onere 21 2 8 1 Changing the display format 23 2 8 2 Converting an entered number 25 2 9 Clearing and correcting 25 2 10 Speech modes ecce ete ertet 27 2 10 1 Selecting Speech Modes 27 2 10 2 Feature temen 30 2 11 Contre 30 3 Calculator Functions o corr 33 3 1 Basic arithmetic functions 33 3 2 Number entry editing and display 33 3 3 Trigonometric 34 3 4 Hyperbolic Functions 36 3 5 Transcendental functions 36 3 6 Memory Functions 37 1 DP US 3 7 Statistical fu
17. al in this mode sound a warning tone The 8rd key sequence selects the octal mode and shows the OCT indicator on the display which is spoken out when the Special Functions feature mode is active In this mode you can perform arithmetic operations with octal numbers integers only When you press the key sequence above the integer portion of the number in the display 15 automatically converted to its octal equivalent and spoken out You can enter positive octal numbers as large as 377777777 9 digits Numbers beyond this are interpreted as negative two s complement numbers All keys that are not functional in this mode sound a warning tone 44 The 8rd key sequence selects the Hexadecimal mode and shows the HEX indicator on the display which is spoken out when the Special Functions feature mode is active In this mode you can perform arithmetic operations with hexadecimal numbers integers only When you press the key sequence above the integer portion of the number the display is automatically converted to its hexadecimal equivalent and spoken out You can enter positive hexadecimal numbers as large as 2540BE3FF 9 digits Numbers beyond this are interpreted as negative two s complement numbers All keys that are not functional in this mode sound a warning tone To enter the hexadecimal digits A through F use the following keys 1 x for A X for B Vx for C SIN for D COS for E
18. e earphone socket towards the middle On the right hand side of the unit towards the top you will find the power socket for inserting the battery charger AC adapter plug Towards the middle of the right hand side you will find two push button switches The upper button called the LEARN MODE button is for entering learning mode and to select various speech options The lower button called the REPEAT OFF button repeats the number on the display and turns the power off when pressed for more than 2 seconds 2 3 Power supply and Charging Your Orion TI 36X calculator has a built in re chargeable battery pack which gives you the freedom of carrying the calculator and working anywhere and also relieves you from having to replace the batteries frequently 2 It can also be powered by the AC adapter provided with the unit which can be plugged into a standard 110V wall socket The AC adapter also serves to charge the battery CAUTION Do NOT use any other AC adapter with the Orion TI 36X This can result in damage and destruction of the unit and will render the warranty void accessories adapter charger and earphone supplied with the Orion TI 36X have been specially designed for use with the unit Using the unit with any accessories other than the ones supplied by Orbit Research may result in serious damage or even destruction of the unit Orbit Research will not be responsible for any direct indirect or consequent
19. el and clockwise with an upward motion to decrease the volume A high quality earphone is provided with your calculator To use the earphone plug the jack into the earphone socket located on the left hand side of the unit just below the volume control Plugging in the earphone disconnects the internal speaker and all speech is heard through the earphone to enable comfortable private use 2 6 Learning mode The Orion TI 36X is equipped with a special Learning Mode designed to help you locate keys and confirm their functionality at any time even in the middle of a calculation You can enter Learning Mode at any time by pressing the LEARN MODE button the upper button on the right hand side of the unit very briefly less than 1 5 seconds When the unit is in Learning Mode the previous state of the calculator remains preserved i e if you were in the middle of an operation it is not interrupted and the display remains unchanged In Learning Mode every key that is pressed is spoken out to help you locate a particular key if you do not know its position Each key pressed by itself speaks out its primary function and when pressed in combination with various modifying keys it speaks the secondary functions as set by the 10 modifying key this will become clearer in the following sections When you exit the Learning Mode by briefly pressing the LEARN MODE button again the calculator returns to the speech and operational mode yo
20. enoted by enclosing it in quotes e g All Clear 2 Getting Familiar with your ORION TI 36X Calculator 2 1 Shipping List You should have received the following items in your Calculator package 1 Orion TI 36X Talking Scientific Calculator 2 This Users Manual A 3 5 inch floppy disk containing ASCII and Microsoft Word versions of this manual Earphone Battery charger AC adapter Audio cassette tape with recorded users manual Warranty Registration card U NAUA 2 2 Orientation of the unit and its Controls This section will familiarize you with the location and functions of the primary controls of your Orion TI 36X Talking Scientific Calculator First open the protective snap cover This cover fits tightly and can be opened by pressing down the upper end of the cover gently with your thumb and pulling up on the bump at the top of the cover with your fingers Then place the unit on a desk or hold it in your hand such that the keypad is on top and facing you In this position you should be able to feel the speaker grill and four rubber feet on the bottom of the unit Orient the unit so that the keys are located on the lower end of the unit towards you while the flat LCD display is at the upper end away from you This is the normal operating orientation for the unit With the unit in this position on the left hand side of the unit you will find the volume control thumb wheel towards the top and th
21. eys while in the Speech Mode Menu as described in the following sections To exit the speech mode menu press the speech mode button again briefly You will hear Exit speech mode The calculator remembers the selection s made by you and returns to the calculations you were performing when you first entered the speech selection mode You may now continue normal use of the calculator 2 10 1 1 Verbose Mode In this speech mode the key that is pressed is spoken followed by the contents of the screen For example If you have entered 4 5 the unit will say 27 four five beep a beep indicates that the display is being spoken out five which are the contents of the display Press the digit 1 when you are in the speech mode menu to select this speech mode and the unit will confirm by speaking Verbose Mode 2 10 1 2 Answer Mode There are certain keys in your Orion TI 36X calculator that deliver the answer immediately after they have been pressed These Active keys are for instance the SIN X and LOG keys In the Answer Mode the unit speaks out the answer as soon as an active key is pressed after announcing the key press Pressing an Inactive key such as a digit key does not cause the display to be spoken out For example If you have entered 0 COS the unit will say zero cosine beep meaning that display is being spoken out one which
22. heit to Celsius oz 2nd Grams to ounces gt g 3rd Ounces to grams 47 4 Care of your ORION TI 36X Proper care of your Orion TI 36X Talking Scientific Calculator will ensure trouble free operation e When it is not in use snap the protective cover over the keypad to protect the unit from dust and spills e Periodically wipe the unit with a slightly damp soft lint free cloth to remove accumulated dust Do NOT use any detergents solvents or commercial cleaners as these may damage the finish An optional padded carrying case is available from Orbit Research 48 5 Warranty Orbit Research provides a one year limited warranty for the Orion TI 36X Talking Scientific Calculator from the original date of purchase The warranty covers all manufacturing defects as well as all parts and related workmanship During this period Orbit Research will repair or at its discretion replace the calculator at no cost to the consumer The consumer will be responsible for shipping of the unit and all accessories to Orbit Research and the cost of postage to Orbit Research Proper insurance during shipment is strongly recommended The provided Warranty Registration Card must be completed and returned to Orbit Research within ten days after purchase to ensure speedy service during the warranty period It is also incumbent upon the consumer to provide proof of the purchase date original or copy of the invoice at the ti
23. hen a memory contains a number other than 0 M is displayed and spoken in the appropriate speech mode The STO key stores the displayed number in memory replacing the previous memory contents To clear a single memory press 0 STO 1 0 STO 2 or 0 STO 3 ON AC clears all three memories The STO n key stores displayed value in memory n replacing its current value where n is 1 2 or 3 The 2nd SUM n key adds the displayed value to memory n The 8rd EXC n key exchanges the displayed and memory values The RCL n key recalls displays and speaks the number stored in memory n without affecting the memory contents 3 7 Statistical functions The TI 36X has 2 statistics modes One Variable Statistics and Two Variable Statistics 3 7 1 One Variable Statistics To enter into One Variable Statistics mode press 3rd x 4 gt y To enter statistical data values 1 Press 2nd CSR to clear all statistical data 2 Enter a data value and press the key Continue until all the data values are entered If you enter an incorrect value remove it by re entering the value and pressing 5 1 2nd E then enter the correct value and press Each time you press the 5 or the 5 1 2nd Z keys the display shows the number of data values currently in the registers You will be able to hear this if you are in the verbose or default speech modes Note The
24. ial damage or injury resulting from the use of such accessories Low battery Indication The unit continuously monitors the battery When it detects a low power level the unit will speak Low Battery Thereafter the unit gives beeps at regular intervals to remind you to insert the AC adapter for charging the battery If you fail to do so the unit gives a final warning message Low Battery Power Off and shuts down Under these circumstances any data in memory or on the display will be lost Charging When you hear the Low Battery warning it is an indication that the batteries have become weak and need to be recharged Plug in the battery charger AC adapter provided with the unit into the power socket near the top on the right hand side of the unit The charger can also be plugged in at any time it will serve to top up the charge on the batteries Ensure that the adapter is plugged into a live wall socket when plugged into the power jack of the unit Note that you can continue to use your Orion TI 36X calculator while it is being charged by the battery charger Please note that the batteries should be charged for at least 16 hours before using the unit for the first time The calculator will operate for several hours or days depending on the extent of use The life of the battery is over 6 hours of continuous use It is generally not necessary to change the batteries inside the unit until they have completed a
25. in scientific and engineering notations However the calculator uses a maximum of 12 digits internally To present additional information about the status of the calculator special indicators may also appear in the display To hear these indicators that may be displayed on the display you should select the Speech Mode Speak Special Functions Mode by pressing 5 in the speech mode menu as described in later sections Indicator Meaning M Value other than 0 in memory 2nd Calculator will access the 2nd function printed on top half of the key of next key pressed HYP Calculator will access hyperbolic function of next key pressed BIN Calculator is in binary number mode OCT Calculator is in octal number mode HEX Calculator is in hexadecimal number mode STAT Calculator is 1 variable or 2 variable statistics mode DEG The angle units are set to degrees RAD The angle units are set to radians GRAD _ The angle units are set to grads 3rd Calculator will access 3rd function printed above the key of next key pressed X x coordinate of polar to rectangular conversion 22 r 9 r coordinate of rectangular to polar conversion One or more open parenthesis 2 8 1 Changing the display format The following key sequences can be used to change the format of the display of your answers l F lt gt D 3rd 5 This key sequence toggles between fraction and decimal displays It does not cancel
26. ith your ORION TI 36X please contact ORBIT RESEARCH at the address given below or via email at support orbitresearch com 52 7 Shipping instructions If you need to return the calculator for repair please contact ORBIT RESEARCH first to obtain a Return Authorization Number Send the unit along with all of the accessories a copy of your dated sales receipt and with the Return Authorization Number clearly marked on the package to the address below Ensure that the unit is packaged properly to avoid damage during shipping It is also recommended that the package be insured against damage or loss during shipment If special arrangements need to be made to ship the unit back to you please include written instructions in the package Our shipping address is Orbit Research 3422 Old Capitol Trail Suite 585 Wilmington DE 19808 U S A 25 32 54
27. me when a warranty claim is made Please contact Orbit Research for a Return Authorization Number prior to sending the unit The calculator will be sent back to the consumer with the shipping charges prepaid for valid warranty claims 49 The warranty is void if the unit has been damaged by accident misuse neglect or improper service and does not apply in cases where the unit has been opened or in any way altered by an unauthorized person Repair After Expiration of Warranty Following the warranty period or in case of breakage not covered by the warranty Orbit Research will repair the calculator at a reasonable cost Shipping charges both ways will be borne by the consumer in this case Disclaimers Orbit Research does not consider itself responsible for any direct or indirect consequences following the utilization of the ORION TI 36X calculator Orbit Research shall not be responsible for loss of the calculator or consequential cost to the consumer Orbit Research reserves the right to change product specifications without notice Any modifications to products previously sold will be performed solely at the discretion of Orbit Research 50 6 Troubleshooting and repair This section will help you in resolving problems you may experience while using your Orion TI 36X We recommend that you go through this section before contacting Orbit Research for assistance 1 You hear two high pitched beeps whe
28. n and natural logarithm Universal powers and roots Reciprocals and factorials Polar rectangular conversions Conversion from degrees minutes seconds to decimal degrees and vice versa results spoken with appropriate units Calculations and conversions in decimal hexadecimal octal and binary number bases eee 999 9 99 9 Boolean logic operations computer math Percent operations 15 levels of parentheses Engineering and scientific notation Fixed decimal capability 9 1 2 Conventions used in this manual This manual references various functions of the calculator in the following manner Key names are enclosed in square brackets If a function is invoked by multiple keystrokes as 1s the case for secondary functions of keys it is enclosed ad in square brackets and the individual keys that are required to be pressed are all enclosed in round brackets The position of the key is indicated in round brackets e g Row 2 Column 1 Let s take the instance of the aP c key below aP Enter Fraction This is the primary or first function of this key d c 2nd aP c Convert between mixed number and improper fraction This is the second function of the a c key and is invoked by pressing the 2nd and a c keys F lt gt D 3rd a c Fraction Exchange Decimal This is the third function of the a c key and is invoked by pressing the 3rd and a c keys Speech output is d
29. n descriptive Special Symbols Not Spoken Flush Speech You can return to these default settings by pressing the 6 key when in the Speech Mode Menu 2 11 Configuration If you do not operate the unit for a period of time it automatically switches off after a pre selected time period to conserve battery life You can select this time period called Power Off Time to suit your preference The power off times available are one three and ten minutes To select power off time enter Speech Mode Menu Press the 7 key you will hear the unit speak Automatic Power Off Time Setting one minute which means that the present setting is such that if the calculator is left unattended for one minute it will shut down Pressing the key 7 again will cycle the setting through three and ten minutes Exit Speech Mode Menu and the unit will remember the 281 power off setting Thirty seconds before the calculator shuts down it gives a beep to warn you that you may lose any data in the memory and display if the unit shuts down You may prevent it from shutting down by pressing any key on the keypad or the REPEAT OFF or LEARN MODE buttons The unit will give two beeps 15 seconds before shut down as a final warning after which it will speak Automatic Power Off and shut down The default power off time is three minutes 2 3 Calculator Functions 3 1 Basic arithmetic functions The x and keys perform the
30. n you turn the unit on and the unit does not operate This can happen if the batteries are weak Please charge the unit for some time and try again This can also happen if a key is kept pressed while the unit is being turned on using the ON AC key Make sure that no keys are pressed and the ON AC is released quickly after the single turn on beep is heard If the problem persists please contact Orbit Research 2 On pressing the ON AC key the unit does not switch ON This can happen when your battery is weak Recharge the battery for some time and then try again 3 You are not able to hear any speech It is possible that the volume was accidentally turned down Increase the volume by turning the volume control thumb wheel counter clockwise downwards Also check to make sure that the 51 earphone is not plugged in if you intend to use the built in speaker 4 The unit does not switch ON when the adapter is plugged in the unit Ensure that the adapter 18 plugged into a wall socket that has been switched ON and try again 5 Unit does not switch OFF when pressing the OFF button for more than 2 seconds Check to make sure you are not in Learning Mode You must exit Learning Mode before attempting to Power Off or the calculator will not turn off Updated troubleshooting hints and answers to Frequently Asked Questions FAQs can also be found at our web site www orbitresearch com If you continue experiencing problems w
31. nctions 38 3 7 1 One Variable Statistics 38 3 7 2 Two Variable Statistics 39 3 8 Fractions MR 41 3 9 Rectangular Polar Conversions 42 3 10 Number System 43 3 11 IPEFODSDIDIDS e ente tee eon n los tod 45 3 12 Physical 46 3 13 English Metric Conversions 47 Care of your ORION TI 36X 48 Warranty Epp 49 Troubleshooting and repair 5 Shipping 0185 2 222 53 11 1 Introduction This manual is designed to guide you in the use and care of the Orion TI 36X Talking Scientific Calculator The Orion TI 36X is a specially designed unit based on the popular TI 36X Solar scientific calculator The functionality operation of the Orion are identical in all respects to the standard TI 36X The only difference is that additional controls and options are provided to adjust the speech output to your preference We will first start by familiarizing you with the speech controls on the unit and then describe the math functions You may also refer to the TI 36X Solar guidebook from Texas Instruments 1 1 Features Your Orion TI 36X comes with a host of advanced but user friendly features Over 127 scientific functions including one and two variable statistics and trigonomet
32. ng tone and ignore the entry If you enter an improper fraction the calculator changes it to a proper fraction when you press an operation key To enter a mixed fraction as a b c 1 Enter as many as three digits for a 41 2 Press a c The unit will say over between the values entered for a and b if the repeat button is pressed 3 Enter as many as three digits for b Note If you attempt to enter more than 3 digits for b the unit will sound a warning tone and ignore the entry 4 Press The unit will say and between the values entered for a and b and over between the values entered for b and c if the repeat button is pressed 5 Enter as many as three digits for c Note If you attempt to enter more than 3 digits for c the unit will sound a warning tone and ignore the entry Converting fractions To convert between a mixed fraction and an improper fraction press d c 2nd aP g To convert a fraction to a decimal value press F D 3rd aP c The decimal equivalent of the fraction will be displayed and spoken out Pressing F lt gt D again will display and speak the fraction 3 9 Rectangular Polar Conversions To convert from polar to rectangular 1 Select the desired angle units 2 Enter the r coordinate and press x lt y 3 Enter the theta coordinate 42 4 Press 2nd to convert the coordinates and display the x coordinate 5 Press
33. ry Ergonomically designed for use by the visually impaired Small and light weight pocket size 11 oz Dimensions 6 2 3 0 1 3 inches Clear high quality natural speech Each key is spoken when pressed Choice of speech modes for quiet or verbose operation 9 9 9 Unique learning mode for key identification during operation Large tactile functionally zoned keys Repeat facility to speak display at any time Backspace correction key to delete last digit Easy for teachers to help with LCD display and functionality are the same as TI 36X Solar Volume control amp earphone High capacity rechargeable battery for over 6 hours of continuous operation Battery or AC adapter operation Easy on off control auto power off Protective snap cover Included accessories high quality earphone for private use AC adapter One year limited warranty from Orbit Research 9 9 9 The scientific functions available on the Orion TI 36X are as follows 10 digits plus 2 digit exponent 99 to 99 12 digit internal accuracy One and two variable statistics for Linear Regression and trend line analysis Fraction entry operation and conversion to decimal Conversion of mixed numbers to improper fractions Trigonometric functions in degrees radians and grads Hyperbolic functions 10 Metric English conversions 8 Physical constants Three Memories Combinations and Permutations Commo
34. t least 500 charge and discharge cycles At this point they 8 may become tired resulting in a decrease in the duration of use before they need to be recharged The batteries in the unit CAN NOT BE REPLACED BY THE USER Please contact Orbit Research for battery replacement 2 4 Switching on the unit To switch ON the Orion TI 36X Talking Scientific Calculator press the ON AC key until you hear a beep and release it immediately The ON AC key is located at the top right corner of the keypad Make sure that the volume control described in the next section is not at the minimum volume setting since you will not be able to hear speech in that case When you switch on the unit by pressing the ON AC key you will hear the unit first give a beep and then say Power On after releasing the key If you do not hear this please charge the unit for some time and try again To switch the unit off press and hold the REPEAT OFF button the lower of the two buttons on the right hand side of the unit for 2 seconds or more For fast shutdown of the unit press both the buttons LEARN MODE and REPEAT OFF simultaneously 2 5 Volume control Speech volume can be controlled by the volume control thumb wheel on the left hand side of the unit It is easier to set the volume when the unit is on since you can listen to the change Rotate the so volume control thumb wheel counter clockwise with a downward motion to increase the volume lev
35. than the default Decimal Mode e g the X key gives the mean in One Variable Statistics Mode the mode is shown in round brackets Row 1 Col 1 gt Back space nPr 2nd Permutations 8rd Combinations 2185 0 gt F 2 0 gt C 3rd 0 Row 1 Col 3 gt oz 2nd gt g 3rd P gt R 2nd Row 1 Col 2 The digit zero Celsius to Fahrenheit Fahrenheit to Celsius Decimal point Grams to Ounces avoirdupois Ounces avoirdupois to Grams Row 1 Col 4 Change Sign Polar to Rectangular R gt P 3rd Rectangular to Polar gt DD 2nd gt DMS Srd Row 2 Col 1 a c d c 2nd aP c F lt gt D 3rd a c Row 1 Col 5 Equals key Convert to Decimal Degrees Convert to Degree Minute Second Enter fraction Convert between mixed number and improper fraction Fraction exchange decimal 14 Row 2 Col 2 1 gt in 2nd 1 gt cm 3rd 1 Row 2 Col 3 2 gt gal 2nd 2 gt 3rd 2 Row 2 Col 4 3 gt Ib 2nd 3 gt kg 3rd 3 Row 2 Col 5 y 2nd ENG 3 Row 3 Col 1 RCL SUM 2nd RCL EXC 3rd RCL Row 3 Col 2 4 ITC 2nd 4 COR 3rd 4 The digit one Centimeters to inches Inches to centimeters The digit two Liters to U S
36. this feature mode the speech is spoken in a descriptive fashion For example 123 on the display will be spoken out as one hundred twenty three Pressing the 4 key again cancels this feature and you will hear the unit speak Simple Mode 2 10 2 2 Special Functions mode Pressing the 5 key once in the speech mode menu invokes this mode and causes the unit to say Speak Special Functions In this feature mode you can hear the special indicators like 2nd HYP DEG RAD etc along with the answer each time the calculator speaks out the display Pressing the 5 key again cancels this feature mode and you will hear the unit speak Special Symbols not Spoken 2 10 2 3 Buffered mode Flush mode Pressing the 8 key once in the speech mode menu invokes this mode and causes the unit to say Flush Speech This indicates that Buffered Speech Mode has been turned on In this mode if the user presses any key while some other key or display 1s being spoken out the new key press and 30 resulting answer will be spoken out after the ongoing speech is completed Pressing the 8 key once again turns off the Buffered Speech Mode and any new key press is immediately spoken out flushing the ongoing speech The unit confirms this mode by speaking Flush Speech 2 10 2 4 Default Speech Mode When you first switch it on the Orion TI 36X operates in Answer Mode with the following Feature Modes Simple Mode no
37. u were using before entering Learning Mode It also restores all preferences in use before you entered learning mode and you can resume operation from precisely the point where you had left it Note that when entering Learning Mode the unit always reverts to the default Decimal Mode which is the mode at power on If you need to locate key functions in other modes you can easily enter those modes as described in the following sections The keys on the Orion TI 36X have a positive tactile feel and are designed to be sensitive for easy operation Hence we recommend that while getting familiar with the unit the user uses Learning Mode to locate the position of each key sequence listed in the next section 2 7 Orientation of Keys The Orion TI 36X has 40 keys arranged in 8 rows and 5 columns This section will describe the location of each of the keys We will follow a row column numbering scheme where the position of a key will be specified by its row and column with ers the bottom left corner key being in row 1 and column 1 Each key can have several functions determined by which mode the calculator is in and by the sequence of keys pressed When pressed by itself each key performs its primary function depending on the calculator mode as described below When pressed immediately after the 2nd key located in the 7 row and first column each key performs its secondary function again depending on the calculator mode
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