Casio FX-115ES-S-IH User Guide - Page 46
Statistical Calculation
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k Absolute Value and Argument (Abs, arg) You can use the following procedure to obtain the absolute value (|Z|) and argument (arg) on the Gaussian plane for a complex number of the format Z = a + bi. 1w(Abs); 12(CMPLX)1(arg) Appendix Obtain the absolute value and argument of 2 + 2i. *1 Absolute Value *2 Argument Statistical Calculation (STAT) All calculations in this section are performed in the STAT Mode (N3). Selecting a Statistical Calculation Type In the STAT Mode, display the statistical calculation type selection screen. k Statistical Calculation Types Key Menu Item 1 1-VAR 2 A+BX 3 _+CX2 4 In X 5 e^X 6 A•B^X 7 A•X^B 8 1/X Statistical Calculation Single-variable Linear regression Quadratic regression Logarithmic regression e exponential regression ab exponential regression Power regression Inverse regression k Inputting Sample Data Displaying the STAT Editor Screen The STAT editor screen appears after you enter the STAT Mode from another mode. Use the STAT menu to select a statistical calculation type. To display the STAT editor screen from another STAT Mode screen, press 11(STAT)2(Data). E-44