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123 30 1023.
Example 5: 12
3
= 1728
fx-100MS:
12 1728.
fx-570MS/fx-991MS:
12 ( x
3
)
1728.
Example 6:
1
1
3
-
1
4
= 12
3 4 12.
Integration Calculations
The procedure described below obtains the definite integral of a function.
The following four inputs are required for integration calculations: a
function with the variable
x ; a and b , which define the integration range
of the definite integral; and
n , which is the number of partitions (equivalent
to N = 2
n
) for integration using Simpson's rule.
expression a b n
Example: ∫
5
1
(2 x
2
+ 3 x + 8)dx = 150.6666667 (Number of partitions n = 6)
2 (X) 3 (X)
8 1 5 6 150.6666667
Note
• Integration calculations can be performed in the COMP Mode only.
• You can specify an integer in the range of 1 to 9 as the number of partitions, or you
can skip input of the number of partitions entirely, if you want.
• Internal integration calculations may take considerable time to complete.
• Display contents are cleared while an integration calculation is being performed
internally.
• Select Rad (Radian) for the angle unit setting when performing trigonometric function
integration calculations.
31
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