Casio CFX-9850G PLUS Calculations Manual - Page 11

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Casio CFX-9850G PLUS Calculations Manual

3-5 Maximum/Minimum Value Calculations

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
u u u u u Minimum Value
u u u u u Maximum Value
u u u u u To perform maximum/minimum value calculations
Input
Input the interval
Input the precision n = 6.
6(g)1(FMin) f(x) ,
6(g)2(FMax) f(x),
Example 1
To determine the minimum value for the interval defined by start
a =
point
function
f(x)
.
AK4(CALC)6(g)1(FMin) vx-ev+j,
a =
a,d,
g)
w
<
<
a
x
b
.
a
,
b
a
,
b
b =
0 and end point
2
y = x
–
x +
4
9
, b =
0
3.
[OPTN]-[CALC]-[FMin]/[FMax]
,
n
)
n
Precision (
= 1 to 9)
End point of interval
Start point of interval
,
n
)
n
Precision (
= 1 to 9)
End point of interval
Start point of interval
3, with a precision of
n =
6 for the
63