Casio FX-CG10 Software User Guide - Page 73
First Derivative Calculations, Example, To solve
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• The lower limit and upper limit specify the range of the solution. You can input a value or an expression as the range. • The following functions cannot be used within any of the arguments. Solve(, d2/dx2(, FMin(, FMax(, Σ( Up to 10 calculation results can be displayed simultaneously in ListAns format. • The message "No Solution" is displayed if no solution exists. • The message "More solutions may exist." is displayed when there may be solutions other than those displayed by SolveN. Example To solve x2 - 5x - 6 = 0 K4(CALC)5(SolveN) vx-fv-g)w J k First Derivative Calculations [OPTN]-[CALC]-[d/dx] To perform first derivative calculations, first display the function analysis menu, and then input the values using the syntax below. K4(CALC)2(d/dx) f(x)ea or 4(MATH)4(d/dx) f(x)ea K4(CALC)2(d/dx) f(x),a) a is the point for which you want to determine the first derivative. d/dx(f(x) a)⇒ d dx f(a) The derivative is defined as: f ' (a) = lim Ax→0 -f-(-a-+-A-A-xx)----f-(-a-) 2-27