Casio fx-570CW - Page 82

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Regression Calculation Formula

Linear Regression (y = a + bx)

Quadratic Regression (y = a + bx + cx

)

Main Page

Table of Contents2
Before Using the Calculator6
Read this First6
About this Manual6
Key Operations6
Menu Operations7
Key and Key8
Examples8
Initializing the Calculator8
Calculator "Get Started" Screen8
Precautions9
Safety Precautions9
Handling Precautions11
Getting Started11
Attaching and Removing the Front Cover11
Turning Power on and off13
HOME Screen14
Adjusting Display Contrast14
Key Markings14
Indicators15
Using Menus16
Calculator Apps and Menus18
Calculator Apps18
Selecting a Calculator App18
Installed Calculator App List18
Using the SETTINGS Menu20
Changing Calculator Settings20
Items and Available Setting Options21
Using the CATALOG Menu26
Using the TOOLS Menu26
Inputting Expressions and Values28
Basic Input Rules28
Inputting an Expression Using Natural Textbook Format (Mathi/Matho or Mathi/Decimalo Only)29
Undo Operations30
Using Values and Expressions as Arguments30
Overwrite Input Mode (Linei/Lineo or Linei/Decimalo Only)30
Basic Calculations31
Arithmetic Calculations31
Fraction Calculations31
Powers, Power Roots, and Reciprocals33
Pi, Natural Logarithm Base E35
Natural Logarithm Base E35
Calculation History and Replay35
Calculation History35
Replay36
Using Memory Functions36
Answer Memory (Ans)36
Variables (A, B, C, D, E, F, X, Y, Z)37
Clearing the Contents of All Memories39
Changing Calculation Result Format40
Using the FORMAT Menu40
FORMAT Menu List40
Conversion Sample Operation41
Standard and Decimal Conversion41
Prime Factorization42
Rectangular and Polar Coordinate Conversion43
Improper Fraction and Mixed Fraction Conversion44
Engineering Notation44
Sexagesimal Conversion (Degree, Minute, Second Calculations)45
Converting a Decimal Value Calculation Result to a Sexagesimal Value45
Inputting and Calculating with a Sexagesimal Value46
Advanced Calculations47
Function Analysis47
Derivative(D/DX)47
Integration(∫)48
Summation(Σ)50
Logarithm(Logab), Logarithm(Log)51
Natural Logarithm51
Probability51
Factorial(!)52
Permutation(P), Combination(C)52
Random Number53
Random Integer53
Numeric Calculations54
Absolute Value54
Round off54
Angle Unit, Polar/Rectangular Coordinate, Sexagesimal55
Degrees, Radians, Gradians55
Rect to Polar, Polar to Rect55
Degrees, Minutes, Seconds56
Hyperbolic, Trigonometric56
Hyperbolic Functions56
Trigonometric Functions56
Engineering Symbols57
Scientific Constants58
Unit Conversions59
Others61
Registering and Using Defining Equations for F(X) and G(X)62
Registering a Defining Equation62
Performing a Calculation by Assigning a Value to the Registered Defining Equation63
Registering a Composite Function63
Data Retention64
Using QR Code Functions65
Displaying a QR Code65
If You Experience Difficulty Scanning a QR Code66
Using Calculator Apps67
Statistical Calculations67
General Procedure for Performing a Statistical Calculation67
Inputting Data with Statistics Editor68
Displaying Statistical Calculation Results71
Using Statistical Calculation Screen75
Statistical Calculation Formula81
Distribution Calculations84
General Procedure for Performing a Distribution Calculation85
Parameter List86
List Screen87
Editing the List Screen Contents88
Calculation Example88
Using Spreadsheet89
Inputting and Editing Cell Contents89
Inputting a Constant and Formula into a Cell90
Cell Relative and Absolute References91
Using Spreadsheet App Special Commands93
Batch Inputting the same Formula or Constant into Multiple Cells94
Spreadsheet App Setting Items95
Auto Calc and Recalculate96
Creating a Number Table96
General Procedure for Creating a Number Table96
Maximum Number of Rows in a Number Table According to Table Type97
Defining Equation Registration98
Editing Number Table Screen Data98
F(X) and G(X) Update Timing99
Data Retention100
Equation Calculations100
Simultaneous Linear Equations101
High-Order Equations from 2Nd to 4Th Degree102
Using Solver106
Inequality Calculations108
General Procedure for Performing an Inequality Calculation108
Complex Number Calculations110
Inputting Complex Numbers110
Complex App Calculation Examples110
Base-N Calculations112
Specifying the Number Mode of a Particular Input Value114
Converting a Calculation Result to Another Type of Value114
Logical and Negation Operations115
Matrix Calculations115
General Procedure for Performing a Matrix Calculation115
Matrix Variable List Screen117
Matrix Answer Memory (Matans)120
Matrix Calculation Examples120
Vector Calculations123
General Procedure for Performing a Vector Calculation123
Vector Variable List Screen125
Vector Answer Memory (Vctans)127
Vector Calculation Examples127
Ratio Calculations129
General Procedure for Performing a Ratio Calculation129
Calculation Example130
Using Math Box130
Dice Roll130
Coin Toss134
Technical Information138
Errors138
Displaying the Location of an Error138
Error Messages138
Before Assuming Malfunction of the Calculator142
Replacing the Battery142
Calculation Priority Sequence144
Calculation Ranges, Number of Digits, and Precision145
Calculation Range and Precision145
Function Calculation Input Ranges and Precision145
Specifications148
Frequently Asked Questions149

Casio fx-570CW - Page 82

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