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Casio CFX-9800G-w Owners Manual - Page 27

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dk 0 la4t I Fraction Key •Use this key when entering fractions and mixed fractions. To enter the fraction 23/45, for example, press 23E)45. To enter 2-3/4, press 2g3g4. *Press mw g to display an improper fraction. r H In Square/Square Root Key •Enter a value and press thiS key to square the entered value. •Press MID and then enter a value to obtain the square root of the value. r-i Open Parenthesis/Cube Root Key *Press this key to enter an open parenthesis in a formula. •Press SHE and then enter a value to obtain the cube root of the value. Ia - Built-In Function Menu This key operation displays the menu used for specification of built-in functions and 1I engineering symbols (k, µ, etc.) Ia E - Variable Data Menu This key operation displays the menu used for a graph range, zoom factors, graph functions, statistical data, equation solutions and coefficients, and the Table & Graph function. IIa PMY - Program Command Menu This key operation displays the menu used for specification of special built-in program functions. Ia - Graph Color Menu This key operation displaysthe menu used for changing the color used for drawing a graph to orange or green from blue. n Close Parenthesis/Reciprocal Key *Press this key to enter a close parenthesis in a formula. •Enter a value and then press MP to obtain the reciprocal of the value. - K In Comma/Assignment Key Fa (C) - Graph Solve Menu This key operation displays the menu that can be used to obtain the roots, maximum, and minimum for any graph. For full details on each menu, see the section titled "Basic Set Up", "Basic Operation" starting from page 28. •Press this key to input a comma. •Press EMS and then enter a value memory name to assign the result of a calculation OFF All Clear/ON/OFF Key to the value memory. Example To store the result of 12 +45 to value memory A *Press this key to switch power on. •Press this key while power is on to clear the display.' •Press this key following ME to switch power off. INS L Delete/Insert Key Ejl Power/Root Key •Enter a value for x, press this key, and then enter a value tory to obtain x to the power of y. •Enter a value for x, press MEI, and then entera value for y to obtain the xth root of y. *Press this key to delete the character at the current cursor location. •Press MCI to display the insert cursor ([]). You can insert characters while the insert cursor is displayed. Dam G-SOLV 0 Delm IC 10-key Pad pcicin S T Arithmetic Operator Keys •Use these keys to input values from left to right. Use El to input a decimal point. You •Use these keys to input arithmetic operators. can input up to 10 digits. *Following operation of the MI key, the menus marked in green (or orange) above these keys are accessed. IID - Memory Expansion Use this key operation to expand the number of value memories from the standard 28. Ia ECM - Function Memory Menu This key operation displays the menu used for function memory calculations (see page 43). g - Unit of Angular Measurement Menu This key operation displays the menu used for specification of the unit of angular mea- *Press CI before inputting a value to indicate that the value is negative rr ILI Exponent/Pi Key •Use this key when entering a mantissa and exponent. To input 2.56x 1034, for exempla enter 2.56EI34. Note that the maximum value that can be used for an exponent is ±99. Any value outside this'range results in a syntax-error (Syn ERROR). •Press MEI to input the value of z. *Press this key following to enter the closed bracket 3. Ann SPACE (-)/Answer/Space Key surement. •Press this key when entering a negative value. Iii j. Display Format Menu •Press and then this key to recall the most recent calculation result obtained using This key operation displays the menu used forspecification of the display format for cal- the ID key. culation results. *Press and then this key to enter a space. fu - Clear Menu This key operation displays the menu used for clearing memory contents. EDO Complex Number Calculation Menu This key operation displays the menu used for complex number calculation. IXe Execute/Newline Key •Press this key to obtain the result of a calculation. You can press this key following data input, or after a result-is obtained to execute the calculation again using the previous result. •Press MO to perform a newline operation. -18- -19- A340087-15

Section	Page
Contents	19
Handling Precautions	23
Aobut This Manual	23
Chapter1 Getting Acquainted	24
1-1 Keys and Their Functions	25
The Keyboard	25
Key Operations	25
1-2 Modes	28
Set Up Displays	28
Set Up Display Function Key Menus	29
About Display Colors	31
About Function Key lcons	31
1-3 Basic Set Up	32
Default unit of Angular Measurement	32
About the DISP Menu	32
Color Contrast Adjustment	33
1-4 Basic Operation	34
Using the Clear Menu	34
Inputting Calculations	34
Editing Calculations	34
Answer Function	35
Using Multistatements	35
Multiplication Operations without a Multiplication Sign	36
Performing Continuous Calculations	36
Using the Replay Function	36
Built-in Scientific Functions	37
Value Memories	38
Increasing the Number of Value Memories	39
About Memory Names	39
1-5 Using the Function Memory	39
Variable Data (VAR) Menu	40
1-6 Using the BASE Mode	44
1-7 Graphic and Text Displays	46
1-8 Technical Information	46
Calculation Priority Sequence	46
Stacks	47
Value Input and Output Limitations	47
Input Capacity	47
Overflow and Errors	47
Exponential Display	48
Calculation Execution Display	48
When Errors Keep Occurring	48
Chapter 2 Manual Calculations	49
2-1 Arithmetic Calculations	50
Calculations Using Parentheses	50
2-2 Units of Angular Measurement	51
2-3 Trigonometric and Inverse Trigonometric Functions	51
2-4 Logarithmic and Exponential Functions	51
2-5 Hyperbolic and Inverse Hyperbolic Functions	52
2-6 Other Functions	52
2-7 Coordinate Conversion	53
2-8 Permutation and Combination	53
2-9 Fractions	54
2-1O Engineering Symbol Calculations	54
2-11 Number of Decimal Places, Number of Significant Digits, Display Format	55
2-12 Calculations Using Memory	55
2-13 BASE Mode Calculations	56
Conversions	56
Negative Values	56
Arithmetic Operations	56
Logical Operations	56
Chapter 3 Differential, Integration, and Calculations	57
3-1 How the Unit Calculates Differentials	58
To Perform a Differential Calculation	58
Applications of Differential Calculations	59
3-2 How the Unit Calculates Integrations	59
To Perform an Integration Calculation	60
Application of Integration Calculation	60
3-3 ~Calculations	61
Example ~ calculation	61
~ Calculation Applications	62
~ Calculation Precautions	62
Chapter 4 Complex Numbers	62
4-1 Before Beginning a Complex Number Calculation	63
4-2 Performing Complex Number Calculations	63
Arithmetic Operations	63
Reciprocals, Square Roots, and Squares	63
Absolute Value and Argument	63
Conjugate Complex Numbers	64
Extraction of Real and Imaginary Number Parts	64
4-3 Complex Number Calculation Precautions	64
Chapter 5 statistical Calculations	65
5-1 Single-Variable Stetistical Calculations	66
To Enter the Standard Deviation Mode without Data Storage	66
To Enter the Standard Deviation Mode with Data Storage	67
Performing Single-Variable Calculations	68
5-2 Paired-Variable Statistical Calculations	69
To Enter the Regression Mode without Data Storage	69
Linear Regression	70
Logarithmic Regression	70
Exponential Regression	70
Power Regression	71
To Enter the Regression Mode with Data Storage	71
Performing Paired-Variable Calculations	72
5-3 Examples of Statistical Calculations	72
Linear Regression	74
Logarithmic Regression	74
Exponential Regression	75
Power Regression	75
Chapter 6 Using the Matrix Mode	76
6-1 Before Performing Matrix Calculations	77
Entering the Matrix Mode	77
Matrix List	77
Matrix Input	77
Deleting Matrices	79
6-2 Modifying a Matrix	79
Before Modifying a Matrix	79
Row Operations	80
Modifying the Contents of a Matrix	81
Deleting, Inserting and Adding Rows	81
Deleting, Inserting and Adding Columns	83
6-3 Matrix Calculations	84
Arithmetic Operations	84
Calculating a Scalar Product	85
Determinants	86
Transposing a Matrix	86
Inverting a Matrix	87
Squaring a Matrix	87
6-4 Matrix Operation Precautions	88
Chapter7 Equation Calculations	88
7-1 Before Beginning and Equation Calculation	89
Entering an Equation Calculation Mode	89
Clearing the Equation Memories	89
7-2 Linear Equations with Two to Six Unknowns	89
Entering the Linear Equation Mode for Two to Six Unknowns	89
Solving a Linear Equation with Three Unknowns	90
Changing Coefficients	90
Clearing All the Coefficients	91
7-3 Quadratic and Cubic Equations	91
Entering the Quadratic/Cubic Equation Mode	91
Solving a Quadratic or Cubic Equation	91
Quadratic Equations that Produce Multiple Root (1 or 2) Solutions or Imaginary Number Solutions	92
Changing Coefficients	92
Clearing All the Coefficients	92
7-4 What to Do When an Error Occurs	92
Chapter 8 Graphing	93
8-1 About the Graphing Function	94
Specifying the Range of a Graph	94
Initializing the Range Parameter Display Settings	96
8-2 Rectangular Coordinate Graphs	96
Graphing Built-in Scientific Functions	96
Overdrawing Built-in Function Graphs	97
Graphing Manually Entered Functions	97
Overdrawing Manually Input Graphs	97
Specifying the Graph Range	98
8-3 Polar Coordinate Graphs	98
Graphing Built-In Scientific Functions	98
Graphing Manually Entered Functions	98
Specifying the Graph Range	99
8-4 Parametric Graphs	99
Specifying the Graph Range	100
8-5 Inequality Graphs	100
Overdrawing Inequality Graphs	101
Specifying the Graph Range	101
8-6 Integration Graphs	101
8-7 Probability Distribution Graphs	102
8-8 Single-Variable Statistical Graphs	103
8-9 Paired-Variable Statistical Graphs	105
8-10 Storing Functions in Memory	106
Accessing the Graphic Function Memory	106
Graph Function Types	106
Editing Graph Functions in Memory	108
Drawing Graphs from Memory	108
Specifying the Graphs to be Drawn	108
Function Linking	109
8-11 Graph Solve	110
Displaying the Graph Solve Menu	110
Determining Roots	111
Determining Maximums and Minimums	112
Determinig y-intercepts	112
Determining Points of Intersection for Two Graphs	112
Determining a Coordinate ( x for a given y/y for a given x)	113
Determining the Derivative for a Given Point	114
8-12 Other Graph Functions	115
Setting the Type of Graphing Method	115
Trace Function	115
Scrolling Graphs	117
Notes on Using the Trace Function	117
Plot Function	118
Line Function	120
Graph Scroll Function	121
Zoom Functions	122
Before Using Zoom	122
Box Zoom Function	122
Using the Factor Zoom Function to Enlarge and Reduce the Entire Graph	123
Auto Range	126
Graph Adjust	127
Coordinate Rounding	128
Using the Overwrite Function	128
8-13 Some Graphing Examples	129
Chapter 9 Dual Graph	130
9-1 Before Using Dual Graph	131
About Dual Graph Screen Types	131
9-2 Specifying the Left and Right Display Range Parameters	131
9-3 Drawing a Graph in the Active Screen	132
9-4 Displaying a Graph in the Inactive Screen	133
Before Displaying a Graph in the Inactive Screen	133
Copying the Active Graph to the Inactive Screen	133
Switching the Contents of the Active and Inactive Screens	134
Drawing Different Graphs on the Active Screen and Inactive Screen	134
Other Graph Functions with Dual Graph	135
Chapter 10 Dynamic Graphing	137
10-1 Before Using the Dynamic Graph Mode	138
10-2 Inputting a New Equation	138
10-3 Editing a Function	139
10-4 Deleting a Function	139
10-5 Drawinig a Dynamic Graph	140
1O-time Continuous Drawing	141
Continuous Drawing	142
Stop & Go Drawing	143
Overwriting	143
Function Linking	144
Chapter 11 Table and Graph Mode	145
11-1 Entering the Table and Graph Mode	146
11-2 Generating a Table and Drawing a Graph for a Function	146
Storing a Function and Generating a Numeric Table	146
Editing a Function	149
Function Linking	150
Editing a Table List	150
Deleting List Area Contents	151
Editing Function and Table Data	151
Row Operations	152
Drawing a Graph Using Table Data	153
Before Drawing a Graph	153
Specifying the Graphs to be Drawn	153
11-3 Using the Table and Graph Mode with a Recursion Formula	154
Editing Table Data	156
Drawing a Graph Using Table Data	157
Specifying the Y-Axis and. X-Axis for the Graph	157
Chapter 12 Program/File Editor Mode	158
12-1 Before Using the Program/File Editor Mode	159
12-2 Using the Program Mode	159
Entering the Program Mode	159
Specifying the Calculation Mode	159
Selecting a Program Area	160
Checking How Much Memory Is Used by a program	160
Inputting a Program	160
Executing a Program Stored in Memory	160
12-3 Deleting Programs	161
12-4 Error Messages	162
12-5 Counting the Number of Bytes	162
Checking the Amount of Memory Remaining	162
Checking Where the Cursor Is Currently Located	162
12-6 Using the File Editor Mode	162
Entering the File Editor Mode	162
Password Protection	163
Inputting Data into a File	164
Inputting Program Commands	164
Inputting Upper-Case and Lower-Case Alpha Characters	164
Inputting Symbols	164
Executing a Program	165
Checking the Memory Used by a Program	166
Searching for Files	166
Searching for Data in a File	167
Editing File Data	168
Other Useful Cursor Movement Functions	169
12-7 Program Commands	169
Displaying the Program Function Menu	169
About the Newline Funtction	169
Displaying the Jump Command Menu	169
Displaying the Relational Operator Menu	170
Displaying the Punctuation Symbol Menu	170
12-8 Using Jump Commands	170
About Unconditional Jumps	170
About Conditional Jumps	171
About Count Jumps	171
12-9 Using Subroutines	172
Subroutines Save Memory	172
12-10 Using Array Memory	172
Array Memories to Simplify Programming	173
Cautions When Using Array Memories	173
Sample Programs That Use Array Memory	173
12-11 Displaying Text Messages	174
12-12 Using Matrices in Programs	175
12-13 Using the Graph Function in Programs	176
Chapter 13 Data Communications	177
13-1 Connecting Two CFX-980OG Units	178
13-2 Connecting the CFX-9800G with a Personal Computer	178
13-3 Connecting the CFX-9800G to a CASIO Label Printer	178
13-4 Before Starting Data Communications	179
Entering the LINK Mode	179
About the Data Type Selection Screen	179
13-5 Setting Communications Parameters	180
Setting CFX-9800G Parameters	180
13-6 Using ALL, Range, and Factor	181
13-7 Using Program, Function Mem, Matrix, and Graph Function	182
13-8 Using Editor	183
13-9 ,Using Statistics, Variable Mem, Table, and Equation	185
13-10 Using Dynamic Graph	187
13-11 Using Back Up to Send All Mode Settings and Memory Data	188
13-12 Screen Copy Function	189
To Copy the Screen	189
13-13 Data Communications Precautions	190
Appendix	190
Appendix A Power Supply	191
When to Replace Batteries	191
Replacing Batteries	191
About the Auto Power Off Function	192
Appendix B To Reset the Calculator	192
Appendix C Function Reference	193
Manual Calculations	193
Program Calculations	196
Appendix D Error Message Table	197
Appendix E Input Ranges	198
Appendix F Specifications	200
Index	202

Match case Limit results 1 per page

Fraction

Key

•Use

this

key

when

entering

fractions

and

mixed

fractions.

enter

the

fraction

23/45,

for

example,

press

23E)45.

enter

2-3/4,

press

2g3g4.

*Press

display

improper

fraction.

Square/Square

Root

Key

•Enter

value

and

press

thiS

key

square

the

entered

value.

•Press

MID

and

then

enter

value

obtain

the

square

root

the

value.

Open

Parenthesis/Cube

Root

Key

*Press

this

key

enter

open

parenthesis

formula.

•

Press

SHE

and

then

enter

value

obtain

the

cube

root

the

value.

Parenthesis/Reciprocal

Key

Press

this

key

enter

parenthesis

formula.

•Enter

value

and

then

press

obtain

the

reciprocal

the

value.

Comma/Assignment

Key

•

Press

this

key

input

comma.

•Press

EMS

and

then

enter

value

memory

name

assign

the

result

calculation

the

value

memory.

Example

store

the

result

+45

value

memory

Ejl

Power/Root

Key

•Enter

value

for

press

this

key,

and

then

enter

value

tory

obtain

the

power

•

Enter

value

for

press

MEI,

and

then

enter

value

for

obtain

the

xth

root

Dam

G-SOLV

Delm

-key

Pad

•Use

these

keys

input

values

from

left

right.

Use

input

decimal

point.

You

can

input

digits.

*Following

operation

the

key,

the

menus

marked

green

(or

orange)

above

these

keys

are

accessed.

IID

—

Memory

Expansion

Use

this

key

operation

expand

the

number

value

memories

from

the

standard

28.

—

Function

Memory

This

key

operation

displays

the

used

for

function

memory

calculations

(see

page

43).

ECM

g -

Unit

Angular

Measurement

This

key

operation

displays

the

used

for

specification

the

unit

angular

mea-

surement.

Iii

Display

Format

This

key

operation

displays

the

used

forspecification

the

display

format

for

cal-

culation

results.

—

Clear

This

key

operation

displays

the

used

for

clearing

memory

contents.

EDO

Complex

Number

Calculation

This

key

operation

displays

the

used

for

complex

number

calculation.

-18-

—

Built

-In

Function

This

key

operation

displays

the

used

for

specification

built-in

functions

and

engineering

symbols

(k,

μ,

etc.)

E -

Variable

Data

This

key

operation

displays

the

used

for

graph

range,

zoom

factors,

graph

func-

tions,

statistical

data,

equation

solutions

and

coefficients,

and

the

Table

Graph

function.

IIa

PMY

—

Program

Command

This

key

operation

displays

the

used

for

specification

special

built-in

program

functions.

Graph

Color

This

key

operation

displays

the

used

for

changing

the

color

used

for

drawing

graph

orange

green

from

blue.

(C)

—

Graph

Solve

This

key

operation

displays

the

that

can

used

obtain

the

roots,

maximum,

and

minimum

for

any

graph.

For

full

details

each

menu,

see

the

section

titled

"Basic

Set

Up",

"Basic

Operation"

starting

from

page

28.

OFF

All

Clear/ON/OFF

Key

*Press

this

key

switch

power

on.

•

Press

this

key

while

power

clear

the

display.'

•Press

this

key

following

switch

power

off.

INS

Delete/Insert

Key

Press

this

key

delete

the

character

the

current

cursor

location.

•Press

MCI

display

the

insert

cursor

([]).

You

can

insert

characters

while

the

insert

cursor

displayed.

pcicin

Arithmetic

Operator

Keys

•Use

these

keys

input

arithmetic

operators.

*Press

before

inputting

value

indicate

that

the

value

negative

ILI

Exponent/Pi

Key

•Use

this

key

when

entering

mantissa

and

exponent.

input

2.56x

for

exem-

pla

enter

2.56EI34.

Note

that

the

maximum

value

that

can

used

for

exponent

±99.

Any

value

outside

this'range

results

syntax

error

(Syn

ERROR).

•Press

MEI

input

the

value

*Press

this

key

following

enter

the

closed

bracket

Ann

SPACE

(—)/Answer/Space

Key

•Press

this

key

when

entering

negative

value.

•Press

and

then

this

key

recall

the

most

recent

calculation

result

obtained

using

the

key.

*Press

and

then

this

key

enter

space.

Execute/Newline

Key

•Press

this

key

obtain

the

result

calculation.

You

can

press

this

key

following

data

input,

after

result

-is

obtained

execute

the

calculation

again

using

the

result.

•Press

perform

newline

operation.

-19-

A340087-15