Casio CFX-9850G PLUS Calculator User Manual
Contents
1. 2u02222400002ennnnennnnnnnnnnnnnnn nennen nnnennn nen 112 View Window V Window Settings ccccooccccccconccnccnoncnnonnonononnnanoncnnnanons 113 Graph Function Operations cccccseeecceceeeeeeceeeeeeeceueeeeeeeuseeeeeseeeessaaeees 117 Graph Memo siestas crearte 122 Drawing Graphs Manually ocasion adi 123 Other Graphing FUNCIONS ee 128 A FERNE EEE EES 139 Graph BACK OROUING zes 140 Graph SolVe use ee 143 Before Using Graph Solve oooocccconncccccoconccccocononcononononononcononannnononaninennnnns 144 Analyzing a Function Graph uss44444440Rennenennnnnnnnnnnnnn nennen nennen nennen 145 Sketch Function 153 Before Using the Sketch Function ccccccoccnncccncnnnccnncnnnononnnncnnannnnnonanennnnnos 154 Graphing with the Sketch Function 44444 44444Hnnnnnnnnnnnnnn nennen 155 D al Grap see A 167 Before Using Dual Graph oocccccccocncccccoconncconcnnconononncnnnnnnnoconnnononannanenonos 168 Specifying the Left and Right View Window Parameters 169 Drawing a Graph in the Active Screen uuusssussennenennnnnnnnnennnnnnnnnnnen nenne 170 Displaying a Graph in the Inactive Screen ccccccsseeeeeceeeeeeeneeeeeesaees 171 Graph 10 Table nn nee id 175 Before Using Graph to Table coccoooccoccconccncocononnconanconoconanoconnanonononos 176 Using Grabhsto Table sur an as 177 Dynamic Graph za A ao 181 Before Using Dynamic Graph2. fx 9750G PLUS CFX 9850G PLUS CFX 9SSOGB PLUS CFX 9950Gb PLUS User s Guide fx 9750G PLUS owners This manual covers the operations of various different calculator models Note the meaning of the following symbols when using this manual Indicates information about a function that is not supported by the fx 9750G PLUS You can skip any information that has this mark next to it 8 1 Before Trying to Draw a Graph E Entering the Graph Mode On the Main Menu select the GRAPH icon and enter the GRAPH Mode When you do the Graph Function menu appears on the display You can use this menu to store edit and recall functions and to draw their graphs Memory area Use and to change selection Woe Wee SEL Ma ea e SEL draw non draw status e DEL function delete e TYPE graph type menu e COLR graph color GMEM graph memory save recall e DRAW graph draw CFX gt indicates COLR is not supported by the fx 9750G PLUS CFX NL CASIO ELECTRONICS CO LTD Batterij niet weggooien Unit 6 1000 North Circular Road maar inleveren als London NW2 7JD U K KCA Important Please keep your manual and all information handy for future reference BEFORE USING THE CALCULATOR FOR THE FIRST TIME Be sure to perform the following procedure to load batteries reset the calculator and adjust the contrast before trying to use the calculator
3. ccccccsseceeecseeeeeeeeeeeeeesaeeeeesaueeeeesaeeeeessaees 369 20 11 Command Reference cccccccseseecceeeseecceeeeececeueeeeceeeeeeeseeeeessageeesesaaes 371 29 12 TEX DIS Pla ie 388 20 13 Using Calculator Functions in Programs ooccccccccnncnccnncccnnnncccnnnnnonanennnnnnnnns 389 Chapter 21 Data Communications cccocncccnncconanccnnnncnnnnenannnnnnnnenannenanrenanannnnns 399 21 1 Connecting TWO UNIS see a 400 21 2 Connecting the Unit with a Personal Computer 42444444sRnn nennen 401 21 3 Connecting the Unit with a CASIO Label Printer 444 serene 402 21 4 Before Performing a Data Communication Operation unn nenn 403 21 5 Performing a Data Transfer Operation oooonccccccnonncccnnccnnnnnccnnnnnnnnncnnnnnnnnnns 404 21 6 Screen Send PUnciON ii alas aa 408 21 7 Data Communications Precautions uus02244nnennennnn nennen nennen nnennnn nen 409 Chapter 22 Program Library ee 411 ll Pime TRACTOR IV SIS zen 412 2 Greatest COMMON Measure ccccccesececceeeeeecceeeeeecceuseeececeeeeseuseeesseaneessseees 414 A a eaten a ee a ene aa teens ee an 416 4 Cels anda Tangenle salzen seele 418 SA A A 425 APDEN OD ae ee ita A NENNEN DENE A etaie de siden one T 429 Appendix A Resetting the Calculator o ccooonncccccnnonoccccnnconananennnnnnnanccnncnonananess 430 Appendix B POWerSUDDIY ansia a u iid 432 Appendix C Error Message Table coonnccccccc
4. cccooocnnccccncncccconcnnnonononncnnannonononanoconannnncnonos 182 Storing Editing and Selecting Dynamic Graph Functions 183 Drawing a Dynamic Graph 2uus222snnennennnennnennnnnnnnnnn nennen nennen nnennnnenn 184 Using Dynamic Graph Memory uusnssssesenesnenennennnnennnnnnn nennen nennen nnnennnenn 190 Dynamic Graph Application Examples cocooooccnnccooncncccnncnncnnnnnnnnonanonnnnnos 191 Conic Section Graphs u a 193 Before Graphing a Conic Section occccccoccccnccnoccnncnonnnononannnnononannnnonanenonnnos 194 Graphing a CONIC Section au 195 Conic Section Graph Analy SiS cueca ta a 199 Contents Chapter 15 Table amp Graph u 205 15 1 Before Using Table amp Graph 2uus0422440Rnnnnnnnnnnnnn nennen nnennnn nennen 206 15 2 Storing a Function and Generating a Numeric Table u 00 207 15 3 Editing and Deleting FUNCTIONS us uu0n00snenennnnennnenennn nennen nenne nennen 210 15 4 Editing Tables and Drawing Graphs uus244444404ennnnn nennen nnennnn nennen 211 15 5 Copying a Table Column to a List uuus224444n nen nnnnnnennnn nennen nennen 216 Chapter 16 Recursion Table and Graph u2002a0000an00nnnunnnnnnnnnnunnnnn 217 16 1 Before Using the Recursion Table and Graph Function 218 16 2 Inputting a Recursion Formula and Generating a Table
5. or A to recall the last calculation that was performed This recalls the calculation so you can make changes or re execute it as it is Example To change the calculation in the last example from 25 x sin 45 to 25 x sin 55 Press to display the last calculation mb 2 Press twice to move the cursor under the 4 3 Press 5 Press to execute the calculation again Q9 SOxSin 595 2H 47588111 FRACTION CALCULATIONS You can use the key to input fractions into calculations The symbol 4 is used to separate the various parts of a fraction Example 1 15 6 37 g 1 Press 2 Press 1 az 1 5 1 6 4 8 7 ee 9 Be Indicates 6 7 144 Converting a Mixed Fraction to an Improper Fraction d c While a mixed fraction is shown on the display press SHIFT to convert it to an improper fraction d c Press SHIFT again to convert back to a mixed fraction Converting a Fraction to lts Decimal Equivalent While a fraction is shown on the display press to convert it to its decimal equiva lent Press again to convert back to a fraction 1 135 16 31 9 6 442611111 xl EXPONENTS Example 1250 x 2 065 1 Press AC 0N 2 Press 1 2 5 0 X 2 LJ 0 6 3 Press and the indicator appears on the display 4 Press 5 The 5 on the display indicates that 5 is an exponent x2 16 5 Press 463TA 96297 x
6. Yi Ax iS War tA F SEL ANP gain ALTO DYHA YV1 ARe Dynamic kanae Start 1i End oi SE FD ee One Moment Please xvii TABLE FUNCTION The Table Function makes it possible to generate a table of solutions as different values are assigned to the variables of a function Example To create a number table for the following function Y X X 1 X 2 1 Press MENU 2 Use O B A and CP to highlight TABLE aT IE and then press 4 Press TABL or EXE to generate the number table 1 CEL JRO k Con a FLT To learn all about the many powerful features of this calculator read on and explore Xviii Handling Precautions e Your calculator is made up of precision components Never try to take it apart e Avoid dropping your calculator and subjecting it to strong impact e Do not store the calculator or leave it in areas exposed to high temperatures or humidity or large amounts of dust When exposed to low temperatures the calculator may require more time to display results and may even fail to operate Correct operation will resume once the calculator is brought back to normal temperature e The display will go blank and keys will not operate during calculations When you are operating the keyboard be sure to watch the display to make sure that all your key operations are being performed correctly e Replace the main batteries once every 2 years regardless of how much the ca
7. 219 16 3 Editing Tables and Drawing Graphs coocccccccnccncccnnncnccnnaconnnnnnnononnnnnennnnos 223 Chapter 17 ELISE FUnelion u 229 USS TD ALIEN cts oido li sabs tod 230 17 1 EISEOpefalons mes an e a di 231 17 2 Editing and Rearranging LISTS occonnnccnionnnicnconnnccnonnannononnnnnononnnnenonnn 233 1728 Manipulatiha Bist Data ma ea 237 17 4 Arithmetic Calculations Using Lists s 424400004440nR nennen nennnn nennen nen 244 17 5 Switching Between List Files oooncccccconnoncocononncoonnnonoconnnncnnnanononnnos 248 Chapter 18 Statistical Graphs and Calculations 222 20002200an000n 249 18 1 Before Performing Statistical Calculations uus4444404BBRe nennen 250 18 2 Paired Variable Statistical Calculation Examples c csscceeeseeeeeeeeeees 251 18 3 Calculating and Graphing Single Variable Statistical Data 257 18 4 Calculating and Graphing Paired Variable Statistical Data 261 18 5 Performing Statistical Calculations uu 4u400 4444Bn Rennen nennnn nennen 270 18 6 less 276 18 7 Confidence Interval oocccccoonncccccocnconccconconcoconcnncnnononnononnnononnnnnncnnnananennnos 294 18 8 DISHIDUION serien 304 Chapter 19 Financial Calculations uu 22000 2000 an0nnanunnnnunnnnnnnnnnunnnnn 321 19 1 Before Performing Financial Calculations u
8. graphing calculators Quick Start is not a complete tutorial but it takes you through many of the most common functions from turning the power on to specifying colors o and on to graphing complex equations When you re done you ll have mastered the basic operation of this calculator and will be ready to proceed with the rest of this user s guide to learn the entire spectrum of functions available Each step of the examples in Quick Start is shown graphically to help you follow along quickly and easily When you need to enter the number 57 for example we ve indicated it as follows Press 5 Whenever necessary we ve included samples of what your screen should look like If you find that your screen doesn t match the sample you can restart from the beginning by pressing the All Clear button TURNING POWER ON AND OFF To turn power on press l To turn power off press Acon Note that the calculator automatically turns power off if you do not perform any operation for about six minutes about 60 minutes when a calculation is stopped by an output command 4 USING MODES This calculator makes it easy to perform a wide range of calculations by simply selecting the appropriate mode Before getting into actual calculations and operation examples let s take a look at how to navigate around the modes To select the RUN Mode 1 Press MENU to display the Main Menu The above shows the CFX 9850 9950 G B PLUS scree
9. sine curve 1 Enter the GRAPH Mode and input the following Grarh Fung ii F3 rvre F1 v Specifies rectangular coordinates SEL AU DRAW sin X 6 1 Exe Stores the expression 2 F4 cor Ente F2 e Press the function key that corresponds to the color you want to use for the graph F1 for blue F2 for orange F3 for green 3 F2 omg Grarh Func sY Specifies the graph color FET MA rye con kre EXIT 4 F6 DRAW Draws the graph You can also draw multiple graphs of different color on the same screen making each one distinct and easy to view KEYS Alpha Lock Normally once you press and then a key to input an alphabetic character the key board reverts to its primary functions immediately If you press and then ApH the Trace Zoom V Window Sketch G Solv G T QHOKOHORQIO PRGM SET UP CD Gem Gass ED 4 A LOCK v r _ ee O D or A 10 C sin _D cos E tan DODDO DAODAS DOOW SE DODDO DOSOD SPACE DOW O amp keyboard locks in alpha input until you press again KEY TABLE Page Page Page Page Page Page Trace 128 Zoom 132 V Window 113 Sketch 154 G Solv 144 GeT 120 V Quick Start Turning Power On And Off Using Modes Basic Calculations Replay Features Fraction Calculations Exponents Graph Functions Dual Graph Box Zoom Dynamic Graph Table Function Welcome to the world of
10. 00022000 n000nan0nnanunnnnunnnnunnnnnnnnnnunnn 35 2 1 A Ee 36 ze Special FUNCION Scaricare O ae 39 223 jFUMCHOMGAICUIAIIONS isc ted os 43 Chapter 3 Numerical Calculations cccoonncccnnncccnnanononcnonennncncnnanrnenaarrnnnanrnnnanos 53 3 1 Before Performing a Calculation oooncccccconnnccocononononnnncnonancnnconanonnconos 54 3 2 Differential Calculations ooooonnccnccnnnnnncooonnnnnonononcnnnnnnncnonnnnnnonnnnnnnnnnnrnnnnnos 55 3 3 Quadratic Differential Calculations ooonncccccnnccnccconnnncononnnncononnnnnonancnnnnnos 58 3 4 Integration Calculations cooonccncconncococooncnnonnononononononononannnnononcnnnonannnnnnnos 60 3 5 Maximum Minimum Value Calculations cccoonncncconnncnccocononoononnnononanennnnnos 63 3 6 Summation 2 Calculations oocccconnnnnccooncnnnononnnnnononencnnnnnnnnonnnnnnnnnnnnnnnnnos 65 Chapter 4 Complex Numbers oonccocccccnccconccconnnccnnncconanonnanennnnnennnnennnnenanrenananons 67 4 1 Before Beginning a Complex Number Calculation oocccooccccconononococo 68 4 2 Performing Complex Number Calculations cccooonnnnccconccncoconcncnonanonnnnnos 69 Chapter 5 Binary Octal Decimal and Hexadecimal Calculations 73 5 1 Before Beginning a Binary Octal Decimal or Hexadecimal Calculation with Integers ico a ts naian 74 5 2 Selecting a Number System cccccsssececceeeeeeceeeeeeeceeeeeeceseeseeeeneneensseees 76
11. 9 9 Atithmelle Operations esseen BNER sa Ar 77 5 4 Negative Values and Bitwise Operations oocccccccononcccncccnnoncccnncnnnnancnnncnnnnnos 78 Chapter 6 Matrix Calculations oooncconncccnnccconncocnncconcnconanennnnnnnnnnenannnnanrenannnnn 79 6 1 Before Performing Matrix Calculations ccooononcnccconncncoconnnnncnnnnnnnnancnnnnnos 80 6 2 Matrix Cell Operations ooccccconnnococconnnococonononcnnnncnonanonnnnnanonnononnnnnonannnnonnnas 83 6 3 Modifying Matrices Using Matrix Commands ccccseeeeeeceeeeeeeeeeeeeesnaees 88 6 4 Mali CAalClanOnS nido A 92 xxii Contents Chapter 7 7 1 7 2 7 3 7 4 7 5 Chapter 8 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 Chapter 9 9 1 9 2 Chapter 10 10 1 10 2 Chapter 11 11 1 11 2 11 3 11 4 Chapter 12 12 1 12 2 Chapter 13 13 1 13 2 13 3 13 4 13 5 Chapter 14 14 1 14 2 14 3 Equation Calculations uusu2au00 an00n n00nnnnnnnnnunnnnunnnnnnnnnnnnnnnn 99 Before Beginning an Equation Calculation oocccccccnnnncccnccnnnnnccnnnnonnnannoss 100 Linear Equations with Two to Six UNKNOWNS ussssssnsenenennnnnennnnennnnnne nn 101 Quadratic and GubieEquations sea ala 104 Solve Calculations oonccccocnnocccconcnccocononnconononnononncnnonannnnnonnnnnnononaranennnnons 107 What to Do When an Error Occurs nueuneennsesnennennnnnnnennnnnnnnnnnn nennen nenne 110 Graphing an ee ee 111 Before Trying to Draw a Graph
12. CFX 9850G PLUS 7 Adjust the contrast eTo adjust the contrast gt Use and to move the pointer to CONTRAST CFX e Press gt to make the figures on the display darker and amp to make them lighter gt eTo adjust the tint CFX 1 Use and to move the pointer to the color you want to adjust ORANGE BLUE or GREEN 2 Press to add more green to the color and amp to add more orange 8 To exit display contrast adjustment press MENU CFX ABOUT THE COLOR DISPLAY The display uses three colors orange blue and green to make data easier to understand Main Menu e Display Color Adjustment MAIN ME ML SE omnes COLOR EEE PTAL fat LIST GRAFH O E Gr E i DYHA ar pa ee EN et RH Tull IHE JHT EH ps RSA Wet SEC EF TP AE fore Ar e Graph Display Example 1 e Graph Display Example 2 1111117111 Y1 lt 4 7160093784 e Graph To Table Display e Dynamic Graph Display rl te 4 5182 1 1741 O 1477 n la 114193548 Y 0 1477162714576 e Table amp Graph Numeric Table e Recursion Formula Convergence Divergence Graph Example rl Er H ICEL TAN k Con a FLT 4 0 57050111159 Y 0 73508877979 3 CFX Statistical Regression Graph Example x med kA 3 4 E e When you draw a graph or run a program any comment text normally appears on the display in blue You can however change the color of comment text to orange or green Example To draw a
13. e materials Moreover CASIO Computer Co Ltd shall not be liable for any claim of any kind whatsoever against the use of these materials by any other party e The contents of this user s guide are subject to change without notice e No part of this user s guide may be reproduced in any form without the express written consent of the manufacturer e The options described in Chapter 21 of this user s guide may not be available in certain geographic areas For full details on availability in your area contact your nearest CASIO dealer or distributor XX fx 9750G PLUS CFX 9850G PLUS CFX 9850Gb PLUS CFX 9950GB PLUS Getting Acquainted Read This First uuuuuuu000000000nnnn0nnnnnnnnnnnnunnnnnnnnnnnnenn 1 KOy Markings na Eee 2 2 Selecting Icons and Entering Modes cccccsseeeeeceeeeeececeeeeeeesaeeeeeeaeeeenesaeeess 3 Be DDISDIAY ss An 8 4 Contrast Adjustment u 4400004040ennnnnnnnnonnnnnnennennnn nennen nennen nnnnnnnnnnennne nenn 11 5 When you keep having problems u uu0444ss0nenne nenne nennen nennen nnnnne nennen 12 Chapter T Basic Operation anne 13 1 1 Before Starting Calculations an Br eked 14 t2 MEMON ses 22 13 Option OPN IMG enea ee 27 1 4 Variable Data VARS Menu oooccccccncncnccncononocnnncnconnnnonononnrnnonnonnnnnnnananennnnoos 28 labs Program PRGM MENU zz a A esieeesteeee ale 34 Chapter 2 Manual Calculations uu2a2
14. for the first time 1 Making sure that you do not accidently press the key attach the case to the calculator and then turn the calculator over Remove the back cover from the calculator by pulling with your finger at the point marked 1 2 Load the four batteries that come with calculator e Make sure that the positive and negative ends of the batteries are facing correctly 3 Remove the insulating sheet at the location marked BACK UP by pulling in the direction indicated by the arrow 4 Replace the back cover making sure that its tabs enter the holes marked 2 and turn the calculator front side up The calculator should automatically turn on power and perform the memory reset operation EEE EEA MEMORY CLEARED at t ata ats a t ata a at ts oE E at o e ts oi a t ai PRESS MENU KEY 5 Press MENU The above shows the CFX 9850 The above shows the fx 9750G 9950 G B PLUS screen PLUS screen e Ifthe Main Menu shown above is not on the display press the P button on the back of the calculator to perform memory reset 6 Use the cursor keys O to select the CONT icon and press or simply press cos to display the contrast adjustment screen A COLOR A IEEE EEE ERRE RRE O E Gr CONTRAST ORANGE U AAA BLE IES GFEEH PA LIGHT DARE pr FCONTRAST SHE IHIT IH A CFX 9850 9950 GB PLUS fx 9750G PLUS
15. ii GRAPH FUNCTIONS The graphing capabilities of this calculator makes it possible to draw complex graphs using either rectangular coordinates horizontal axis x vertical axis y or polar coordi nates angle 0 distance from origin r Example 1 To graph Y X X 1 X 2 1 Press MENU 2 Use O A and W to highlight GRAPH e UBER and then press EXE as 38 A DE D aE 4 Press DRAW or to draw the graph Example 2 To determine the roots of Y X X 1 X 2 1 Press F5 G Solv root MAS HIN vit scr E xiii 2 Press F1 ROOT Press A for other roots Example 3 Determine the area bounded by the origin and the X 1 root obtained for Y X X 1 X 2 1 Press F5 G Solv root mAs HIN Murt sT E 2 Press gt 3 Press F3 fax 4 Use to move the pointer to the location where X 1 and then press Next use A to move the pointer to the location where X 0 and then press to input the integration range which Pdr A 416666666667 becomes shaded on the display XIV DUAL GRAPH With this function you can split the display between two areas and display two graphs on the same screen Example To draw the following two graphs and determine the points of intersection Y1 X X 1 X 2 Y2 X 1 2 1 Press V V F1 Grph to specify Graph for the Dual Screen setting Draw Trre Grarh Fu
16. inted object to press the P button on the back of the calculator Note however that this clears all the data in calculator memory e Note that strong vibration or impact during program execution can cause execution to stop or can damage the calculator s memory contents e Using the calculator near a television or radio can cause interference with TV or radio reception e Before assuming malfunction of the unit be sure to carefully reread this user s guide and ensure that the problem is not due to insufficient battery power programming or operational errors XIX Be sure to keep physical records of all important data The large memory capacity of the unit makes it possible to store large amounts of data You should note however that low battery power or incorrect replacement of the batteries that power the unit can cause the data stored in memory to be corrupted or even lost entirely Stored data can also be affected by strong electrostatic charge or strong impact Since this calculator employs unused memory as a work area when performing its internal calcula tions an error may occur when there is not enough memory available to perform calculations To avoid such problems it is a good idea to leave 1 or 2 kbytes of memory free unused at all times In no event shall CASIO Computer Co Ltd be liable to anyone for special collateral incidental or consequential damages in connection with or arising out of the purchase or use of thes
17. lculator is used during that period Never leave dead batteries in the battery compartment They can leak and damage the unit e Keep batteries out of the reach of small children If swallowed consult with a physician immediately e Avoid using volatile liquids such as thinner or benzine to clean the unit Wipe it with a soft dry cloth or with a cloth that has been dipped in a solution of water and a neutral detergent and wrung out e Always be gentle when wiping dust off the display to avoid scratching it e In no event will the manufacturer and its suppliers be liable to you or any other person for any damages expenses lost profits lost savings or any other damages arising out of loss of data and or formulas arising out of malfunction repairs or battery replacement The user should prepare physical records of data to protect against such data loss e Never dispose of batteries the liquid crystal panel or other components by burning them e When the Low battery message appears on the display replace the main power supply batteries as soon as possible e Be sure that the power switch is set to OFF when replacing batteries e f the calculator is exposed to a strong electrostatic charge its memory contents may be damaged or the keys may stop working In such a case perform the Reset operation to clear the memory and restore normal key operation e f the calculator stops operating correctly for some reason use a thin po
18. n viii 2 Use O B A CG to highlight RUN and then press EXE This is the initial screen of the RUN mode where you can perform manual calculations and run programs BASIC CALCULATIONS With manual calculations you input formulas from left to right just as they are written on paper With formulas that include mixed arithmetic operators and parentheses the calcula tor automatically applies true algebraic logic to calculate the result Example 15x3 61 1 Press lAC N to clear the calculator 2 Press 1 5 3 6 1 EXE on 166 Parentheses Calculations Example 15 x 3 61 1 Press 1 5 3 153461 6 1 EXE 1Sx03 613 Built In Functions This calculator includes a number of built in scientific functions including trigonometric and logarithmic functions Example 25 x sin 45 Important Be sure that you specify Deg degrees as the angle unit before you try this example 1 Press SET UP 2 Press SHIFT MENU to switch the set up display 3 Press Y Y Y F1 Deg to specify degrees as the angle unit 4 Press EXIT to clear the menu 5 Press AC ON to clear the unit 6 Press 2 5 X sin 4 5 Eee REPLAY FEATURES aaa EI vE Draw Tyre Connect Derivative Off Rad On Off Co ci a Func Trre Draw Trre Connect Deriwalive oes rad ara ossin 45 1r Er 766953 With the replay feature simply press
19. nc TEHE Connect On Derivative Backsround Hone 2 D XO 4 1 CJ 2 exe EXE 3 Press DRAW or to draw the graphs BOX ZOOM Use the Box Zoom function to specify areas of a graph for enlargement 1 Press F2 Zoom F1 BOX 2 Use O gt A and to move the pointer to one corner of the area you want to specify and then press n O 609677141935 Y 0 3 XV 3 Use O gt A and Y to move the pointer again As you do a box appears on the display Move the pointer so the box encloses the area you want to enlarge n BESBOBUSIG T 1 1 4 Press and the enlarged area appears in the inactive right side screen DYNAMIC GRAPH Dynamic Graph lets you see how the shape of a graph is affected as the value assigned to one of the coefficients of its function changes Example To draw graphs as the value of coefficient A in the following function changes from 1 to 3 Y AX 1 Press MENU 2 Use O A and W to highlight DYNA A IAE and then press EXE 3 Input the formula Dynamic Func Y ur LA KoT 2 Exe Wat SEL MaF I BF ERP RCL xvi 4 Press VAR 1 to assign an initial value of 1 to coefficient A 5 Press F2 Rana 1 Exe 3 Exe 1 to specify the range and increment of change in coefficient A 6 Press 7 Press DYNA to start Dynamic Graph drawing The graphs are drawn 10 times
20. ononcconocccnnanonnnnononannnnnnnonaaanons 436 Appendix D MND UU TAI GCS uns sd 438 Appendix E Specifications oocccccconncococonncoconononcnnnanonnnnonnnnnonannnnconannnncnnnos 441 A O N 443 Command Hd ee ernennen en 449 NEVA ee 450 Program Mode Command List cccccsescccccseeeeecseeeeeeceeeeeeeceseeeeseeeeesseeeeessaaeees 453 XXV
21. us04444040BReRen nennen 322 19 2 Simple Interest Calculations 2200222200020000 02000 nnnnnennnnn nennen nennen 324 19 3 Compound Interest Calculations oocccccocncccccnncccnnncconnnonancnononononanononos 326 19 4 Investment Appraisal uessussensnnnennnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnen nun 337 19 5 Amortization of a Loan uuessseseesnensnnennnennnnnnnnnnnnnnnnnnnn nennen nnennnnn nennen 341 19 6 Conversion between Percentage Interest Rate and Effective INteTestialO SEPFERPPREREPHEREER EEE SEEGFEFENSOTEHEEFORBEBEREECEROHELCHEUEPERELEPREESERFERFEEFGRERORS 345 19 7 Cost Selling Price Margin Calculations 22200222200022n0e nennen 347 19 8 Day Date Calculations us04444400Beennnennnennnennnnnnn nennen nnennen nennen 349 Chapter 20 Programming ae an 351 2091 Before Programming pusiera ica 352 20 2 Programming Example ura daa 353 XXIV Contents 20 3 Depugging a PrOgITaN ee eisernen 358 20 4 Calculating the Number of Bytes Used by a Program cccssseeeeeees 359 203 Secret FUNCION ee east 360 20 6 Searching tora Flle iaa 362 20 7 Searching for Data Inside a Program coooccccccoonccncnnnnnncnnnanononnnnnnnnnnanennnonos 364 20 8 Editing File Names and Program Contents ooccccccocccncocnnccnccnnnnnnnnnnncnnnnnos 365 20 9 Deleinma a PROCLAIM sass 2esqsccsareccaateacaces a a E 368 20 10 Useful Program Commands
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