•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.

kMaximum/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.

uMinimum 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))

uMaximum 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

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

Input f (x).

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, ) are treated as constants, and the value currently assigned to that variable is applied during the calculation.

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