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BEFORE USING THE CALCULATOR
FOR THE FIRST TIME...
This calculator does not contain any main batteries when you purchase it. 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. Remove the back cover from the calculator by pressing it in the direction indicated by
arrow 1, and then sliding it in the direction indicated by arrow 2.
P
1
2
2. Load the four batteries that come with calcul
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5. Press m. If the Main Menu shown to the right is not on the display, press the P button on the back of the calculator to perform memory reset. P P button 6. Use the cursor keys (f, c, d, e) to select the CONT icon and press w D or simply press to display the contrast adjustment screen. s 7. Use d and e to adjust contrast. •d makes figures on the screen lighter, while e makes them darker. • Holding down d or e changes the contrast setting at high speed. 8. After adjusting the contrast, press m
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KEYS Alpha Lock Normally, once you press a and then a key to input an alphabetic character, the keyboard reverts to its primary functions immediately. If you press ! and then a, the keyboard locks in alpha input until you press a again. iii
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KEY TABLE Page Page Page Page Page Page 146 151 129 174 164 136 333 4 2 31333 57 56 257 56 56 56 55 55 55 56 56 55 55 55 59 57 57 59 46 46 25 Page Page Page Page Page 24 23 46 46 46 46 55 49 46 46 iv
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Quick-Start Switching Power On And Off Auto Power Off Function Using Modes Basic Calculations Replay Features Fraction Calculations Exponents Graph Functions Dual Graph Box Zoom Dynamic Graph Table Function
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Quick-Start Welcome to the world of graphing calculators and the CASIO fx-9750G. Quick-Start is not a complete tutorial, but it takes you through many of the most common functions, from turning the power on to graphing complex equations. When you’re done, you’ll have mastered the basic operation of the fx-9750G and will be ready to proceed with the rest of this manual to learn the entire spectrum of functions available. Each step of the examples in Quick-Start is shown graphically to help you fo
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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 calculator automatically applies true algebraic logic to calculate the result. Example: 15 × 3 + 61 1. Press o to clear the calculator. 2. Pr
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Quick-Start 1. Presso. SET UP 2. Press!m 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
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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 Equiv
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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. x
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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 coordinates (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 123456 4. Press 6 (DRAW) or w to draw the graph. Example 2: To determine the roots of Y = X(X + 1)(X
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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). 123456 2. Press 6 (g). 123456 3. Press 3 ( dx). ∫ 4. Use e to move the pointer to the location where X = –1, and then press w. Next, use e again to move the pointer to the location where X = 0, and then press w to input the integration range, which becomes shaded on the display. xii
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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. 123456 2. Press J, and then input the two functions. v(v+b) (v-c)w v+b.cw 123456 3. Press 6 (DRAW) or w to draw the graphs. BOX ZOOM Use the Box Zoom function to specify areas of a grap
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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 in- active (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
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Quick-Start 4. Press 4 (VAR) bw to assign an initial value of 1 to coefficient A. 1 23456 5. Press 2 (RANG) bwdwbw to specify the range and increment of change in coeffi- cient A. 6. Press J. 7. Press 6(DYNA) to start Dynamic Graph drawing. The graphs are drawn 10 times. ↓ ↓↑ ↓↑ xv
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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 123456 4. Press 6 (TABL) or w to generate the number table. After you’ve completed this Quick-Start section, you are well on your way to becoming an e
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Handling Precautions • Your calculator is made up of precision components. Never try to take it apart. • Avoid dropping your calculator and subjecting it to strong impact. • 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.
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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
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Contents Getting Acquainted — Read This First!........................................ 1 1. Key Markings.......................................................................................... 2 2. Selecting Icons and Entering Modes ................................................... 3 Using the Set Up Screen ............................................................................... 4 Set Up Screen Function Key Menus ............................................................. 5 3. Displ
