HP 30s Calculator - HP%2030S%20-%20User''s%20Manual%20
Contents
1. m random numbers and physical constants Oo ooN goaa gt faa gt Ba gt Implied multiplication preceding functions that are entered before their argument 10th Combinations nCr and permutations nPr 11th Multiplication other implied multiplication and division 12 13 ay Addition and subtraction gt All other conversions System Memory Previous Entries The HP 30S keeps a record of all the entries you make up to a maximum of 320 characters These entries are retained even if you turn off the calculator Press A or V to scroll through the entries You can reuse or edit a previous entry when it is on the entry line Last answer The last answer is stored automatically in memory It is kept even if you turn the calculator off To retrieve the last answer press 24 ANS Ans appears on the entry line Press to see the value of the last answer You can also use the last answer in a new calculation by first pressing an operator key etc Ans appears on the entry line followed by the operator You then complete the entry as you would normally Linear Solutions The results of solving a set of linear equations are stored in the variables X and Y Quadratic Solutions The results of solving a quadratic equation are stored in the variables X4 and Xa or Y4 and Yo Memory variables There are five memory variables A B C D and EQN You can store real numbers in variables A D and s2. HP 30S Scientific Calculator Basic operation On and Off turns the calculator on n4 OFF turns it off The calculator automatically turns off if no key is pressed for 9 minutes Press to reactivate the calculator The display memory and settings are retained Display The display comprises the entry line the result line and indicators Entry Line You can enter up to 80 characters Your entry scrolls to the left and the lt indicator is displayed when you enter 11 or more characters By default the calculator is in overwrite mode In overwrite mode the cursor is the underscore character _ and any digit you enter appears at the cursor s position If there is a digit below the cursor that digit is replaced by your new entry You can also set the calculator to insert mode In insert mode the cursor appears as lt and any digit you enter is inserted to the left of the cursor To activate insert mode place the cursor where you want to insert a character and press 2nd INS To deactivate insert mode press an arrow key or 2n4 INS again Press or lt to move the cursor through an entry To go directly to the first character press 274 4 To go directly to the last character press To delete a digit press O or in overwrite mode just type over the digit Negative Numbers To enter a negative number press before entering the digits Result Line The result of a calculation is di
3. The default setting is F floating point notation To round a number to the number of decimal places you have fixed press n4 RND enter the number or expression that evaluates to a number and press EN Number Display Press 2n4 sci ENG to display the Number Display menu The items on this menu are FLO for floating point SCI for scientific and ENG for engineering Press until the type of display you want is underlined and then press xt You can also enter a number in mantissa and exponent format that is as a number and a power of 10 Enter the number press E enter the power of 10 and press exe Angle Settings Changing the Default Setting Angle units can be degrees radians or grads The initial default setting is degrees To change this to another setting press 84 select the unit you want and press xt The angle setting becomes the new default and remains until you change it again One Off Change To override the default angle setting 1 Enter the value 2 Press 2nd Dms 3 Select the unit you want 4 Press E The units you can select are degrees minutes seconds radians r grads g and degrees minutes seconds gt DMS Angle Conversions Change the default angle setting to what you want to convert to Enter the value of the unit to convert Press 2n DMs Choose the units you are converting from Press 6m twice Rectangular and Polar Ar
4. Replacing batteries Push down on the battery compartment cover and slide it off Replace the two button cell batteries with new batteries Use LR44 silver oxide batteries Equivalent batteries are G13 and 357 Do not use rechargeable batteries If problems persist after you have replaced the batteries the calculator needs a service For service information refer to the warranty statement enclosed with this product To install a faceplate insert the top locating lugs into the holes provided beneath the and 0N keys and press down To remove a faceplate press on the snap visible through the opening on the bottom edge of the calculator This manual and any examples contained herein are provided as is and are subject to change without notice Except to the extent prohibited by law Hewlett Packard Company makes no express or implied warranty of any kind with regard to this guide and specifically disclaims the implied warranties and conditions of merchantability and fitness for a particular purpose and Hewlett Packard Company shall not be liable for any errors or for incidental or consequential damage in connection with the furnishing performance or use of this manual and the examples herein Copyright 1999 2000 Hewlett Packard Development Company L P Part Number F1900 90001 English Printed in China Revision 1 1
5. 23J K 1 Source National Institute of Standards and Technology http physics nist gov Unit Conversion Enter the value of the measurement you want to convert Press con Press V to scroll to the appropriate units menu There are menus covering distances area mass volume capacity temperature energy and pressure Press until the units you are converting from are underlined then press Evren Press until the units you are converting to are underlined Error Messages speed of light acceleration of gravity N Avogadro s number e elementary charge me electron mass Mp proton mass Mn neutron mass R molar gas constant Plank s constant Boltzmann s constant ONS gt a DIVIDE BY O Attempt to divide by zero DOM Input is outside allowable limits OVERFLOW Result is outside the calculator s display limits STAT Statistics key pressed but not in statistics mode SYN Syntax error ARG Inappropriate argument SAVE Cannot store variable or EQN in current mode FREQ DOMAIN Frequency is not 0 or a positive integer MULTI SOLS There is more than one solution NO SOLUTION There is no solution NO REAL SOL There is no real solution EQU LENGTH Input plus constant expression is greater than 80 characters Troubleshooting If the calculator will not turn on press together If the calculator still doesn t turn on replace the batteries If the calculator is on but you get unexp
6. ected results press Variable Meaning n Number of x values or x y pairs entered xory Mean of the x values or y values Sx or Sy Sample standard deviation oxor oy Population standard deviation Yxor y Sum of all x values or y values x or Sy Sum ofall x2 values or y2 values yxy Sum of x x y for all x y pairs a Linear regression y intercept Linear regression slope r Correlation coefficient x Predicted x value given a b and a y value Predicted y value given a b and an x value To view or change data 1 Press ata 2 Press W to scroll through the data you have entered 3 To change an entry display it and enter the new data The new data you enter overwrites the old entry Press Y or to save the change To exit the statistics application press and choose another option Linear System Solver To solve a set of linear equations Press o Enter the first equation pressing 24 X and Gnd YY to enter x and y respectively The equation can be entered as axt by c or y mx b Press to separate the two equations Enter the second equation as ax by c or y mx b Press 73 ies n EO Qad RESET I Eve If problems persist run the self test Self test Press 2nd RESET and hold down and When the Test menu appears press C1 and then press three times If error messages are displayed during the test the calculator needs a service Press to cancel the test
7. es in further calculations You can also select a previous equation to reuse or edit Press A until that equation is on the entry line Quadratic Equation Solver To solve a quadratic equation with real solutions 1 Press 3 2 Enter the equation Express it in the form ax bx c 0 You can solve a quadratic equation in x or in y If you are entering an equation in x press X to enter x otherwise press Y to enter y In both cases press to enter the second order exponent 3 Press Ete The Solutions menu appears with the first root X4 or Y4 displayed on the result line Press B to see the second root X2 or Y2 These roots are stored in the variables X4 and Xz or Y4 and Y2 You can use these variables in further calculations You can also select a previous equation to reuse or edit Press A until that equation is on the entry line Physical Constants You can use a number of common physical constants in your calculations To insert a constant at the cursor position 1 Press to display the Physical Constants menu 2 Press until the constant you want is underlined see table below 3 Press Ete c 299792458 m s 1 g 9 80665 m s 2 G gravitational constant 6 673 x 10 11 m3kg 1s 2 Vm molar volume of ideal gas 22 413996 x 10 3m3 mol 6 02214199 x 1023 mol 1 602176462 x 10 19C 9 10938188 x 10 31 kg 1 67262158 x 10 27kg 1 67492716 x 10 27kg 8 314472 J mol 1K 1 6 62606876 x 10 34 J s 1 3806503 x 10
8. he Statistics menu The menu options are 1 VAR for analyzing data in a single dataset 2 VAR for analyzing paired data from two datasets and CLR DATA for clearing all datasets To enter data for statistical analysis From the Statistics menu choose 1 VAR or 2 VAR Press DATA Enter an x value and press W Enter the frequency of the x value in 1 VAR mode or the corresponding y value in 2 VAR mode and press W 5 To enter more data repeat from step 3 Data is retained until you overwrite it or clear it You clear data by selecting CLR DATA from the Statistics menu To analyze data you have entered 1 Press Arange of statistical variables see table below is displayed on the Statistical Results menu The first variable n is underlined and its value is on the result line Press to scroll through the Statistical Results menu skipping any error messages that appear The value of each variable is displayed on the result line To use a value in a calculation press when the value is displayed The variable is copied to the entry line ie wo gt In 2 VAR mode to predict a value for x or y given a value for y or x select the x or y variable press E enter the given value and press T again The Solutions menu appears with the x value displayed on the result line Press B to see the corresponding y value These solutions are stored in the variables X and Y You can use these variabl
9. ithmetic To find the polar attributes r or of a rectangular system x y or vice versa press 74 Ra p and select an option You can find r or by specifying x and y or x or y by specifying r and 0 Trigonometry The HP 30S provides standard trigonometric functions sin Cos tan inverse trigonometric functions 2n4 SIN cos Crd TAN and hyperbolic functions 2n4 HYP together with sin cos tan 2na SIN 1 2nd COS 1 and TAN 1 Fractions To enter a fraction enter the numerator press and enter the denominator To enter a mixed fraction enter the integer part press aX enter the numerator press a and enter the denominator To convert between a decimal and fractional result or vice versa press 2nd F lt D and ENE To convert a mixed fraction to an improper fraction or vice versa press 2nd ja and E Probability Pressing displays the Probability menu with the following functions AWN nPr Calculates the number of possible permutations of n items taken r at a time nCr Calculates the number of possible combinations of n items taken r at a time Calculates the factorial of a specified positive integer n where n lt 69 RANDM Creates a random real number between 0 and 1 RANDMI Creates a random integer between and possibly including one of two specified integers Statistics Press o0e _1_ to display t
10. splayed on the result line the bottom line of the display Up to 10 digits can be displayed as well as a negative sign decimal point the x10 indicator and a positive or negative exponent Calculation accuracy is up to 24 decimal places Indicators These are displayed to indicate certain selections states or settings see table below Indicator Meaning and 2nd set of function keys is active see below MODE Mode selection is active STAT Statistics mode is active ENG Numbers are displayed in engineering notation SCI Numbers are displayed in scientific notation DEG RAD Angle setting is degrees radians or gradians or GRAD respectively FIX Number of decimal places displayed is fixed HYP Hyperbolic trig function will be calculated LSOLV Linear equation solver is active QSOLV Quadratic equation solver is active Th digits to the left or right of the display ou ere are digits to the left or right of the display There are earlier or later results that can be t displayed M A number is stored in running memory Result is negative or the entry line is full K A constant expression can be defined or used x10 Result is displayed in scientific or engineering notation Exponent is displayed above indicator Thousands separator for numbers gt 1000 Order of Entry You enter numbers and operators in the same order as you write them in traditional arithmetic 2nd Functions Functions represented by
11. the labels on the faceplate are selected by first pressing and then the key below the label For example to select the function press 2nd In this guide labels are enclosed in square brackets For example an instruction to select the function is indicated by nd Menus Many functions and settings are available on menus A menu is a list of options displayed across the entry line For example pressing 24 SCI ENG displays the menu for choosing the number display Choose an item from a menu by pressing or lt until the item is underlined and then press ExT To cancel a menu without choosing an item press CL Modes There are four modes or operating environments m 0 Home the default mode used for common calculations m 1 Statistics STAT 2 Linear equation solver L SOLV 3 Quadratic equation solver Q SOLV Press to display the Modes menu To select a mode press the number of the mode Alternatively press or lt until the mode you want is underlined and then press EN Contrast To change the display contrast press and then A or V as many times as is necessary Press to close the Modes menu Order of Operations 1st Expressions inside parentheses 2nd Conversion of coordinate notation 3rd Functions that are entered before their argument such as LN cos 4th Functions that are entered after their argument such as x2 Roots and exponentiation Fractions
12. tore an expression in EQN You can also store real numbers in X Y X1 X2 Y4 and Y3 however the values in these variables are replaced with linear equation and quadratic solutions You store a number or expression in a variable by entering it pressing 570 selecting the variable from the Variables menu and pressing ext Constant expression K A constant expression is any combination of operators functions variables and numbers that can be added to the end of an entry and be evaluated A constant expression is useful if you want to apply the same operation many times to different inputs To define or modify the constant expression press 274 K enter the operators functions and numbers that you need and press Evm To use the constant expression the K indicator needs to be displayed If it is not displayed press r4 k Pressing will now attach the constant expression to your input and evaluate the result For example if your constant expression is sin 30 entering 2 and pressing yields 2 5 that is 2 sin 30 To return to normal operation press 2nd K again The constant expression is retained for later use Running memory Press to add a result to running memory Press to subtract the value on the result line from running memory To recall the value in running memory press Mro To clear running memory press R9 twice Recalling and Reusing Variables You can recall and re
13. use the variables A B C D EQN X Y X1 X2 Y4 and Yo or the values in these variables m To recall the value of a variable press 24 RCL and until the variable is underlined Torecall the variable press MRa and until the variable is underlined To copy the variable or value to the entry line press EN Expressions Pon You can create an expression using the variables A B C D X X4 X2 Y Y4 and Y2 for example 3A2 4B and store that expression in the variable EQN You store an expression in the same way that you store a value but always store it in the variable named EQN To evaluate a stored expression press MRE lt a ere ever You are prompted to specify a value for each variable in the expression Enter a value and press The expression is evaluated and the answer displayed on the result line Clearing Data and Settings CL m Clears the entry line Clears an error message E Clears a menu 2nd CL VAR Clears all memory variables except EQN 2nd CL EQN Clears the contents of EQN one 1 lt lt Clears statistics data 2nd RESET P Este 3 Returns calculator to its default settings Clears variables EQN pending operations running memory constant expression statistical data and Ans Decimal Places Press 2n4 F1x to display the Decimal Places menu Press until the number of decimal places you want to see displayed is underlined and then press
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