Casio fx-9750G PLUS, CFX-9850GB, CFX-9950GB PLUS, CFX-9850G PLUS User Manual

fx-9750G PLUS
CFX-9850G PLUS
CFX-9850GB PLUS

CFX-9950GB PLUS

User’s Guide

E

http://world.casio.com/edu_e/

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

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

kk

k Entering the Graph Mode

kk

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

f

and c to change selection.

Use

• {SEL} ... {draw/non-draw status}

• {DEL} ... {function delete}

• {TYPE} ... {graph type menu}

• {COLR} ... {graph color}

CFX

• {GMEM} ... {graph memory save/recall}

• {DRAW} ... {graph draw}

Meaning

indicates {COLR} is not supported by the fx-9750G PLUS.

CFX

CASIO ELECTRONICS CO., LTD.
Unit 6, 1000 North Circular Road,
London NW2 7JD, U.K.

Important!

Please keep your manual and all information handy for
future reference.

BEFORE USING THE CALCULATOR

BACK UP

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

2. Load the four batteries that come with calculator.

• Make sure that the positive (+) and negative (–) ends of the batteries are facing
correctly.

1.

1

3. Remove the insulating sheet at the location marked “BACK UP” by pulling in the
direction indicated by the arrow.

BACK UP

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.

2

i

5. Press m.

* The above shows the CFX-9850

(9950)G(B) PLUS screen.

* The above shows the fx-9750G

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.

6. Use the cursor keys (f, c, d, e) to select the CONT icon and press

w or simply press

E

c

to display the contrast adjustment screen.

CFX-9850G PLUS

P button

fx-9750G PLUSCFX-9850(9950)GB PLUS,

7. Adjust the contrast.

uTo adjust the contrast

•Use f and c to move the pointer to CONTRAST.

CFX

•Press e to make the figures on the display darker, and d to make them

lighter.

uTo adjust the tint

CFX

1. Use f and c to move the pointer to the color you want to adjust (ORANGE,

BLUE, or GREEN).

2. Press e to add more green to the color, and d to add more orange.

8. To exit display contrast adjustment, press m.

ii

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

•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:

1. Enter the GRAPH Mode and input the following.

To dr aw a sine curve

3(TYPE)1(Y=)

(Specifies rectangular coordinates.)

svwf

(Stores the expression.)

4(COLR)

2.

2

•Press the function key that corresponds to the color you want to use for the

graph:

4

5

3456

1 for blue, 2 for orange, 3 for green.

3. 2(Orng)

(Specifies the graph color.)

J

4.6(DRAW)

(Draws the graph)

6

You can also draw multiple graphs of different color on the same screen, making
each one distinct and easy to view.

iv

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.

v

KEY TABLE

Page Page Page Page Page Page

128

227283

24746

49

49

Page Page Page Page Page

132 113

369 4

47 46

46 46

46 46

47

49

36

154 144 120

45 45

45 45

47

36

21

20

45

45

22

36

36

45

36

vi

39

36

36

36

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