Casio FX-CG10 Software User Guide - Page 79
Maximum/Minimum Value Calculations, Minimum Value
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• Input integers only for the initial term (α) of sequence ak and last term (β) of sequence ak. • Input of n and the closing parentheses can be omitted. If you omit n, the calculator automatically uses n = 1. • Make sure that the value used as the final term β is greater than the value used as the initial term α. Otherwise, an error will occur. • To interrupt an ongoing Σ calculation (indicated when the cursor is not on the display), press the A key. • You cannot use a first derivative, second derivative, integration, Σ, maximum/minimum value, Solve or RndFix calculation expression inside of a Σ calculation term. • In the Math input/output mode, the distance between partitions (n) is fixed at 1 and cannot be changed. k Maximum/Minimum Value Calculations [OPTN]-[CALC]-[FMin]/[FMax] After displaying the function analysis menu, you can input maximum/minimum calculations using the formats below, and solve for the maximum and minimum of a function within interval a < x < b. u Minimum Value K4(CALC)6(g)1(FMin) f (x) , a , b , n ) (a: start point of interval, b: end point of interval, n: precision (n = 1 to 9)) u Maximum Value K4(CALC)6(g)2(FMax) f (x), a , b , n ) (a: start point of interval, b: end point of interval, n: precision (n = 1 to 9)) Example Input f (x). To determine the minimum value for the interval defined by start point a = 0 and end point b = 3, with a precision of n = 6 for the function y = x2 - 4x + 9 AK4(CALC)6(g)1(FMin)vx-ev+j, Input the interval a = 0, b = 3. a,d, Input the precision n = 6. g)w • In the function f (x), only X can be used as a variable in expressions. Other variables (A through Z excluding X, r, Ƨ) are treated as constants, and the value currently assigned to that variable is applied during the calculation. 2-33