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67

      

    

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

Example: To solve the following simultaneous equations:

2x + 3y - z = 15

3x - 2y + 2z = 4

5x + 3y - 4z = 9 (x = 2, y = 5, z = 4)



  (EQN)









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Table of Contents

Default Chapter3
- Table of Contents3
About this Manual7
Initializing the Calculator8
Safety Precautions8
- Disposing of the Calculator9
Other Precautions9
Before Using the Calculator9
- About the Display11
- Display Indicators11
Calculation Modes and Calculator Setup12
- Calculation Modes12
- Specifying the Calculation Mode12
- Configuring the Calculator Setup12
- Specifying the Input/Output Format12
- Specifying the Default Angle Unit13
- Specifying the Number of Display Digits13
- Calculation Result Display Examples13
- Specifying the Fraction Format14
- Specifying the Statistical Display Format14
- Specifying the Decimal Point Display Format14
- Initializing the Calculation Mode and Other Settings14
Inputting Expressions and Values15
- Inputting a Calculation Expression Using Standard Format15
- Inputting a General Function15
- Omitting the Multiplication Sign16
- Final Closed Parentheses16
- Displaying a Long Expression16
- Number of Input Characters (Bytes)16
- Correcting an Expression17
- About Insert and Overwrite Input Modes17
- Changing the Character or Function You Just Input17
- Deleting a Character or Function18
- Correcting a Calculation18
- Inserting Input into a Calculation19
- Displaying the Location of an Error19
- Inputting with Math Format20
- Functions and Symbols Supported for Math Format Input20
- Math Format Input Examples20
- Incorporating a Value into a Function21
Displaying Calculation Results in a Form22
That Includes Irrational Number Form22
Basic Calculations (COMP)25
- Arithmetic Calculations25
- Number of Decimal Places and Number of Significant Digits25
- Omitting a Final Closed Parentheses25
- Fraction Calculations26
- Switching between Improper Fraction and Mixed Fraction Format27
- Switching between Fraction and Decimal Format27
- Percent Calculations27
- Degree, Minute, Second (Sexagesimal) Calculations29
- Inputting Sexagesimal Values29
- Sexagesimal Calculations29
- Converting Values between Sexagesimal and Decimal29
Using Multi-Statements in Calculations30
Using Calculation History Memory and Replay (COMP)30
- Recalling Calculation History Memory Contents30
- Replay Function31
Using Calculator Memory32
- Memory Name32
- Description32
- Answer Memory (Ans)32
- Independent Memory (M)33
- Variables (A, B, C, D, E, F, X, Y)34
- Clearing the Contents of All Memories35
Function Calculations35
- Pi ( Π ) and Natural Logarithm Base35
- Trigonometric and Inverse Trigonometric Functions36
- Hyperbolic and Inverse Hyperbolic Functions36
- Converting an Input Value to the Calculator's Default Angle Unit36
- Exponential Functions and Logarithmic Functions37
- Power Functions and Power Root Functions39
- Rectangular-Polar Coordinate Conversion40
- Converting to Polar Coordinates (Pol)40
- Converting to Rectangular Coordinates (Rec)40
- Greatest Common Divisor and Least Common Multiple41
- The Integer Function and the Greatest Integer Function42
- Division with Quotient and Remainder42
- Fraction Simplification Function43
- Using CALC44
- Metric Conversion44
- Ranint45
- Other Functions45
- Factorial (!)46
- Absolute Value Calculation (Abs)46
- Random Number (Ran#)46
- Permutation (Npr) and Combination (Ncr)47
- Rounding Function (Rnd)47
Transforming Displayed Values48
- Using Engineering Notation48
- Using S-D Transformation49
- Formats Supported for S-D Transformation49
- Examples of S-D Transformation49
Statistical Calculation (STAT)50
- Selecting a Statistical Calculation Type50
- Statistical Calculation Types50
- Inputting Sample Data Displaying the STAT Editor Screen51
- STAT Editor Screen51
- FREQ (Frequency) Column51
- Rules for Inputting Sample Data on the STAT Editor Screen51
- STAT Editor Screen Input Precautions52
- Precautions Concerning Sample Data Storage52
- Editing Sample Data52
- Deleting a Line53
- Inserting Line53
- Deleting All STAT Editor Contents53
- STAT Calculation Screen53
- Using the STAT Menu53
- STAT Menu Items54
- Single-Variable (1-VAR) Statistical Calculation Commands54
- Sum Sub-Menu54
- Var Sub-Menu55
- Minmax Sub-Menu55
- Single-Variable Statistical Calculation55
- Commands When Linear Regression Calculation (A+Bx) Is Selected57
- Sum Sub-Menu58
- Var Sub-Menu58
- Minmax Sub-Menu59
- Reg Sub-Menu59
- Commands When Quadratic Regression Calculation61
- Is Selected61
- Reg Sub-Menu62
- Comments for Other Typed of Regression64
- Command Usage Tips71
- Calculations of Equations (EQN)71
Generating a Number Table from a Function (TABLE)76
- Supported Function Types77
- Start, End, and Step Value Rules78
- Number Table Screen78
- Using the Verify Command78
- Inputting and Editing79
- Proportion Calculations (PROP)82
- Inputting and Editing Coefficients82
- PROP Solution Display84
Technical Information86
- Order of Operations86
- Stack Limitations86
- Calculation Ranges, Number of Digits, and Precision87
- Calculation Range and Precision87
- Function Calculation Input Ranges and Precision87
- Error Messages90
- When an Error Message Appears90
- Math Error90
- Stack ERROR91
- Syntax ERROR91
- Insufficient MEM Error91
- Before Assuming Malfunction of the Calculator91
Reference92
- Power Requirements and Battery Replacement92
- Replacing the Battery92
- Auto Power off93
Specifications93
Regulatory Notices94
- European Union Regulatory Notice94
- Japanese Notice94
- Korean Notice Class B94
- Perchlorate Material95
- Disposal of Waste Equipment by Users in Private Household in the European Union95
- Chemical Substances95
- China Rohs95

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