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Casio fx-570ES PLUS, fx-991ES PLUS Scientific Constants, VctA, VctB, VctC, VctA, VctB, VctA, VctB, VctB, 3 VctA, VctA VctB

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3 3 × VctA (Vector scalar multiplication), 3 × VctA – VctB (Calculation example using VctAns)

3 VctA

VctB

4 VctA • VctB (Vector dot product)

VctA(VECTOR)(Dot)VctB

5 VctA σσVctB (Vector cross product)

VctA VctB

6 Obtain the absolute values of VctC.

@(Abs)VctC

7 Determine the angle formed by VctA and VctB to three decimal places (Fix 3). B

(cos θ =	(A• B)	, which becomes θ = cos–1	(A• B)	)
	AB		AB

(SETUP)(Fix)

VctA(VECTOR)(Dot)VctB

VCT FIX

@(Abs)VctA@(Abs) VctB

VCT FIX

2(cos–1)

Scientific Constants

Your calculator comes with 40 built-in scientific constants that can be used in any mode besides BASE-N. Each scientific constant is displayed as a unique symbol (such as Π), which can be used inside of calculations.

To input a scientific constant into a calculation, press (CONST) and then input the two-digit number that corresponds to the constant you want.

E-35

Contents

Page Contents Calculation Ranges, Number of Digits Important Information Sample Operations Initializing the Calculator Safety Precautions Handling Precautions Removing the Hard Case Turning Power On and Off Adjusting Display Contrast Key Markings Reading the Display Using Menus Specifying the Calculation Mode Configuring the Calculator Setup Page Initializing Calculator Settings Inputting Expressions and Values Basic Input Rules Calculation Priority Sequence Inputting with Natural Display Using Values and Expressions as Arguments (Natural Display only) Overwrite Input Mode (Linear Display only) Correcting and Clearing an Expression Toggling Calculation Results Basic Calculations Fraction Calculations Percent Calculations Degree, Minute, Second (Sexagesimal) Calculations Multi-Statements Using Engineering Notation Calculation History Replay Answer Memory (Ans) Variables (A, B, C, D, E, F, X, Y) Independent Memory (M) Function Calculations log: ln: Pol, Rec : Integration and Differential Calculation Precautions Tips for Successful Integration Calculations Examples Page Complex Number Calculations (CMPLX) CMPLX Mode Calculation Examples Using a Command to Specify the Calculation Result Format Using CALC Using SOLVE Solution Screen Contents Continue Screen Statistical Calculations (STAT) Inputting Data Obtaining Statistical Values from Input Data Minimum Value: minX*, minY, Maximum Value: maxX*, maxY (STAT) (MinMax) to Results: Calculating Estimated Values Performing Normal Distribution Calculations Base-n Calculations (BASE-N) Specifying the Number Mode of a Particular Input Value Converting a Calculation Result to another Type of Value 5(BIN) 2(OCT) Logical and Negation Operations Equation Calculations (EQN) Changing the Current Equation Type Setting EQN Mode Calculation Examples Matrix Calculations (MATRIX) Matrix Answer Memory Assigning and Editing Matrix Variable Data Matrix Calculation Examples Creating a Number Table from a Function (TABLE) Vector Calculations (VECTOR) Vector Answer Memory Assigning and Editing Vector Variable Data Vector Calculation Examples Scientific Constants Page Metric Conversion Calculation Ranges, Number of Digits and Precision Calculation Range and Precision Function Calculation Input Ranges and Precision Page Errors Displaying the Location of an Error Clearing the Error Message Error Messages Before Assuming Malfunction of the Calculator Replacing the Battery Specifications Frequently Asked Questions Page CASIO COMPUTER CO., LTD