Casio FX9750GIIWE Manual de usuario
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.
2. Load the four batteries that come with calculator.
• 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 onto the calculator and turn the calculator front side up, which
should automatically turn on power and perform the memory reset operation.
i
BACK UPBACK UP
MAIN
P
BACK UP
MAIN
P
MAIN
P
P
1
2
ii
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.
6. Use the cursor keys (f, c, d, e) to select the CONT icon and press w
or simply press sto display the contrast adjustment screen.
7. Use dand eto adjust contrast.
•dmakes figures on the screen lighter, while emakes them darker.
• Holding down dor echanges the contrast setting at high speed.
8. After adjusting the contrast, press mto return to the Main Menu.
P
P button
D
KEYS
Alpha Lock
Normally, once you press aand 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 aagain.
iii
KEY TABLE
Page Page Page Page Page Page
146
Page Page Page Page Page
151 129
57 56
25756
174 164 136
333 4
2 31333
56 56
56 56
55 55
55 55
24
23
46
46
46
46
49
46
55
46
57
46
59
59
57
46
55
55
25
iv
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
Quick-Start
Quick-Start
vi
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 follow along
quickly and easily. When you need to enter the number 57, for example, we’ve indicated it as
follows: Press fh
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 o.
SWITCHING POWER ON AND OFF
To switch power on, press o.
To switch power off, press !
o
OFF
.
AUTO POWER OFF FUNCTION
Note that the unit automatically switches 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
(^)).
USING MODES
The fx-9750G 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 mto display the Main Menu.
Quick-Start
vii
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 oto clear the calculator.
2. Pressbf*d+gbw.
Parentheses Calculations
Example:
15 ×(3 + 61)
1. Pressbf*(d
+gb)w.
Built-In Functions
The fx-9750G includes a number of built-in scientific functions, including trigonometric and
logarithmic functions.
Example:
25 ×sin 45˚
Important!
Be sure that you specify Deg (degrees) as the angle unit before you try this
example.
Quick-Start
viii
1. Presso.
2. Press!
m
SET UP
to switch the set up display.
3. Presscccc1(Deg) to specify
degrees as the angle unit.
4. PressJto clear the menu.
5. Pressoto clear the unit.
6. Presscf*sefw.
REPLAY FEATURES
With the replay feature, simply press dor eto 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 dto display the last calculation.
2. Press dtwice to move the cursor under the 4.
3. Press f.
4. Press wto execute the calculation again.
Quick-Start
ix
FRACTION CALCULATIONS
You can use the $key to input fractions into calculations. The symbol “ {” is used to
separate the various parts of a fraction.
Example:
1 15/16 + 37/9
1. Presso.
2. Pressb$bf$
bg+dh$
jw.
Converting a Mixed Fraction to an Improper Fraction
While a mixed fraction is shown on the display, press !
$
d/c
to convert it to an
improper fraction.
Press !
$
d/c
again to convert back to a mixed fraction.
Converting a Fraction to Its Decimal Equivalent
While a fraction is shown on the display, press Mto convert it to its decimal equivalent.
Press Magain to convert back to a fraction.
Indicates 6
7
/
144
Quick-Start
x
EXPONENTS
Example:
1250 × 2.065
1. Presso.
2. Pressbcfa*c.ag.
3. PressMand the ^indicator appears on the display.
4. Pressf. The ^5 on the display indicates that 5 is
an exponent.
5. Pressw.
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