Casio ClassPad 300 PLUS - Manual (Page 176)

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(3) Tap [Interactive], [Calculation], and then [
∫ ].
• This displays the
∫ dialog box.
2-8-3
Using the Interactive Menu
(4) On the dialog box, tap “Definite integral” to select it.
• This displays boxes for specifying the variable
and the lower limit and the upper limit.
(5) Input the required data for each of the following three arguments.
Variable: x
Lower: 1
Upper: 2
(6) Tap [OK].
• This performs the calculation and displays the
solution.