Casio CFX-9850GB PLUS user manual

User manual for the device Casio CFX-9850GB PLUS

Device: Casio CFX-9850GB PLUS
Category: Calculator
Manufacturer: Casio
Size: 0.48 MB
Added : 10/5/2014
Number of pages: 28
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Summary of the content on the page No. 1

fx-9750G PLUS
CFX-9850G PLUS
CFX-9850GB PLUS
CFX-9850GC PLUS
CFX-9950GB PLUS
User’s Guide
E http://world.casio.com/edu_e/

Summary of the content on the page No. 2

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. Symbol Meaning CFX 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 kkkkk 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

Summary of the content on the page No. 3

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 for the first time. 1. Making sure that you do not accidently press the o 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. • Make sure

Summary of the content on the page No. 4

5. Press m. * The above shows the CFX-9850 * The above shows the fx-9750G (9950)G(B) PLUS screen. PLUS screen. • If the Main Menu shown above is not on the display, press the P button on the back of the calculator to perform memory reset. P button 6. Use the cursor keys (f, c, d, e) to select the CONT icon and press E w or simply presscto display the contrast adjustment screen. CFX-9850(9950)GB PLUS, fx-9750G PLUS CFX-9850G PLUS 7. Adjust the contrast. uTo adjust the contrast •Use f and c to mov

Summary of the content on the page No. 5

ABOUT THE COLOR DISPLAY CFX The display uses three colors: orange, blue, and green, to make data easier to understand. •Main Menu • Display Color Adjustment •Graph Function Menu •Graph Display (Example 1) • Graph Display (Example 2) •Graph-To-Table Display • Dynamic Graph Display •Table & Graph Numeric Table • Recursion Formula Convergence/ Divergence Graph Example iii

Summary of the content on the page No. 6

•Statistical Regression Graph Example CFX •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 sine curve 1. Enter the GRAPH Mode and input the following. 3(TYPE)1(Y=) (Specifies rectangular coordinates.) 4 svwf 5 (Stores the expression.) 2.4(COLR) 2 3456 •Press the function key that corresponds to the color you want to use for the graph: 1 for blue, 2 for

Summary of the content on the page No. 7

KEYS Alpha Lock Normally, once you press a and then a key to input an alphabetic character, the key- board reverts to its primary functions immediately. If you press ! and then a, the keyboard locks in alpha input until you press a again. v

Summary of the content on the page No. 8

KEY TABLE Page Page Page Page Page Page 128 132 113 154 144 120 369 4 227 283 47 46 247 46 46 46 45 45 45 46 46 45 45 45 49 47 47 49 49 36 36 22 Page Page Page Page Page 21 20 36 36 36 36 45 39 36 36 vi

Summary of the content on the page No. 9

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

Summary of the content on the page No. 10

Quick-Start Welcome to the world of 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, 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 graphica

Summary of the content on the page No. 11

Quick-Start 2. Use defc to highlight RUN and then press w. 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: 15 × 3 + 61 1. Press o to clear the calculator. 2. P

Summary of the content on the page No. 12

Quick-Start 1. Presso. SET UP m 2. Press! to switch the set up display. 3. Presscccc1 (Deg) to specify degrees as the angle unit. 4. PressJ to clear the menu. 5. Presso to clear the unit. 6. Presscf*sefw. REPLAY FEATURES With the replay feature, simply press d or e 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 × sin 45˚) to (25 × sin 55˚) 1. Press d

Summary of the content on the page No. 13

Quick-Start FRACTION CALCULATIONS You can use the $ key to input fractions into calculations. The symbol “ { ” is used to separate the various parts of a fraction. 15 37 Example: 1 / + / 16 9 1. Presso. 2. Pressb$bf$ bg+dh$ jw. 7 Indicates 6 / 144 Converting a Mixed Fraction to an Improper Fraction d/c While a mixed fraction is shown on the display, press !$to convert it to an improper fraction. d/c Press !$again to convert back to a mixed fraction. Converting a Fraction to Its Decimal Equivalen

Summary of the content on the page No. 14

Quick-Start EXPONENTS 5 Example: 1250 × 2.06 1. Presso. 2. Pressbcfa*c.ag. 3. PressM and the ^ indicator appears on the display. 4. Pressf. The ^5 on the display indicates that 5 is an exponent. 5. Pressw. xii

Summary of the content on the page No. 15

Quick-Start 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: θ ; distance from origin: r). Example 1: To graph Y = X(X + 1)(X – 2) 1. Press m. 2. Use d, e, f, and c to highlight GRAPH, and then press w. 3. Input the formula. v(v+b) (v-c)w 4. Press 6 (DRAW) or w to draw the graph. Example 2: To determine the roots of Y = X(X + 1)(X – 2) 1

Summary of the content on the page No. 16

Quick-Start 2. Press 1 (ROOT). Press e 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 !5 (G-Solv). 6 12345 2. Press 6 (g). 3 12 456 3. Press 3 (∫dx). 4. Use d to move the pointer to the location where X = –1, and then press w. Next, use e to move the pointer to the location where X = 0, and then press to input the integration range, which w becomes shaded on the display. xiv

Summary of the content on the page No. 17

Quick-Start 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 !Zcc1(Grph) to specify “Graph” for the Dual Screen setting. 1 23456 2. Press J, and then input the two functions. v(v+b) (v-c)w v+b.cw 3. Press 6 (DRAW) or w to draw the graphs. BOX ZOOM Use the Box Zoom function to specify areas of a graph for

Summary of the content on the page No. 18

Quick-Start 3. Use d, e, f, and c 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. 4. Press w, 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

Summary of the content on the page No. 19

Quick-Start 4. Press 4 (VAR) bw to assign an initial value of 1 to coefficient A. 2 1 3456 5. Press 2 (RANG) bwdwbw to specify the range and increment of change in coefficient A. 6. Press J. 7. Press 6(DYNA) to start Dynamic Graph drawing. The graphs are drawn 10 times. ↓ ↓↑ ↓↑ xvii

Summary of the content on the page No. 20

Quick-Start 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 m. 2. Use d, e, f, and c to highlight TABLE, and then press w. 3. Input the formula. v(v+b) (v-c)w 4. Press 6 (TABL) or w to generate the number table. To learn all about the many powerful features of this calculator, read on and explore! xviii


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