Casio fx-991CW Manuals

Manuals and User Guides for Casio fx-991CW. We have 1 Casio fx-991CW manual available for free PDF download: User Manual

Casio fx-991CW User Manual (151 pages)

Brand: Casio | Category: Cash Register | Size: 3 MB

Table of Contents
2
Before Using the Calculator
6
Read this First
6
About this Manual
6
Key Operations
6
Menu Operations
7
Key and Key
8
Examples
8
Initializing the Calculator
8
Calculator "Get Started" Screen
8
Precautions
9
Safety Precautions
9
Handling Precautions
11
Getting Started
11
Attaching and Removing the Front Cover
11
Turning Power on and off
13
HOME Screen
14
Adjusting Display Contrast
14
Key Markings
14
Indicators
15
Using Menus
16
Calculator Apps and Menus
18
Calculator Apps
18
Selecting a Calculator App
18
Installed Calculator App List
18
Using the SETTINGS Menu
20
Changing Calculator Settings
20
Items and Available Setting Options
21
Using the CATALOG Menu
26
Using the TOOLS Menu
26
Inputting Expressions and Values
28
Basic Input Rules
28
Inputting an Expression Using Natural Textbook Format (Mathi/Matho or Mathi/Decimalo Only)
29
Undo Operations
30
Using Values and Expressions as Arguments
30
Overwrite Input Mode (Linei/Lineo or Linei/Decimalo Only)
30
Basic Calculations
31
Arithmetic Calculations
31
Fraction Calculations
31
Powers, Power Roots, and Reciprocals
33
Pi, Natural Logarithm Base E
35
Natural Logarithm Base E
35
Calculation History and Replay
35
Calculation History
35
Replay
36
Using Memory Functions
36
Answer Memory (Ans)
36
Variables (A, B, C, D, E, F, X, Y, Z)
37
Clearing the Contents of All Memories
39
Changing Calculation Result Format
40
Using the FORMAT Menu
40
FORMAT Menu List
40
Conversion Sample Operation
41
Standard and Decimal Conversion
41
Prime Factorization
42
Rectangular and Polar Coordinate Conversion
43
Improper Fraction and Mixed Fraction Conversion
44
Engineering Notation
44
Sexagesimal Conversion (Degree, Minute, Second Calculations)
45
Converting a Decimal Value Calculation Result to a Sexagesimal Value
45
Inputting and Calculating with a Sexagesimal Value
46
Advanced Calculations
47
Function Analysis
47
Derivative(D/DX)
47
Integration(∫)
48
Summation(Σ)
50
Logarithm(Logab), Logarithm(Log)
51
Natural Logarithm
51
Probability
51
Factorial(!)
52
Permutation(P), Combination(C)
52
Random Number
53
Random Integer
53
Numeric Calculations
54
Absolute Value
54
Round off
54
Angle Unit, Polar/Rectangular Coordinate, Sexagesimal
55
Degrees, Radians, Gradians
55
Rect to Polar, Polar to Rect
55
Degrees, Minutes, Seconds
56
Hyperbolic, Trigonometric
56
Hyperbolic Functions
56
Trigonometric Functions
56
Engineering Symbols
57
Scientific Constants
58
Unit Conversions
59
Others
61
Registering and Using Defining Equations for F(X) and G(X)
62
Registering a Defining Equation
62
Performing a Calculation by Assigning a Value to the Registered Defining Equation
63
Registering a Composite Function
63
Data Retention
64
Using QR Code Functions
65
Displaying a QR Code
65
If You Experience Difficulty Scanning a QR Code
66
Using Calculator Apps
67
Statistical Calculations
67
General Procedure for Performing a Statistical Calculation
67
Inputting Data with Statistics Editor
68
Displaying Statistical Calculation Results
71
Using Statistical Calculation Screen
75
Statistical Calculation Formula
81
Distribution Calculations
84
General Procedure for Performing a Distribution Calculation
85
Parameter List
86
List Screen
87
Editing the List Screen Contents
88
Calculation Example
88
Using Spreadsheet
89
Inputting and Editing Cell Contents
89
Inputting a Constant and Formula into a Cell
90
Cell Relative and Absolute References
91
Using Spreadsheet App Special Commands
93
Batch Inputting the same Formula or Constant into Multiple Cells
94
Spreadsheet App Setting Items
95
Auto Calc and Recalculate
96
Creating a Number Table
96
General Procedure for Creating a Number Table
96
Maximum Number of Rows in a Number Table According to Table Type
97
Defining Equation Registration
98
Editing Number Table Screen Data
98
F(X) and G(X) Update Timing
99
Data Retention
100
Equation Calculations
100
Simultaneous Linear Equations
101
High-Order Equations from 2Nd to 4Th Degree
102
Using Solver
106
Inequality Calculations
108
General Procedure for Performing an Inequality Calculation
108
Complex Number Calculations
110
Inputting Complex Numbers
110
Complex App Calculation Examples
110
Base-N Calculations
112
Specifying the Number Mode of a Particular Input Value
114
Converting a Calculation Result to Another Type of Value
114
Logical and Negation Operations
115
Matrix Calculations
115
General Procedure for Performing a Matrix Calculation
115
Matrix Variable List Screen
117
Matrix Answer Memory (Matans)
120
Matrix Calculation Examples
120
Vector Calculations
123
General Procedure for Performing a Vector Calculation
123
Vector Variable List Screen
125
Vector Answer Memory (Vctans)
127
Vector Calculation Examples
127
Ratio Calculations
129
General Procedure for Performing a Ratio Calculation
129
Calculation Example
130
Using Math Box
130
Dice Roll
130
Coin Toss
134
Technical Information
138
Errors
138
Displaying the Location of an Error
138
Error Messages
138
Before Assuming Malfunction of the Calculator
142
Replacing the Battery
142
Calculation Priority Sequence
144
Calculation Ranges, Number of Digits, and Precision
145
Calculation Range and Precision
145
Function Calculation Input Ranges and Precision
145
Specifications
148
Frequently Asked Questions
149

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Casio fx-991CW User Manual (151 pages)

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