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8–2 Integrating Equations

File name 32sii-Manual-E-0424

Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm

)

works only with real numbers.

Integrating Equations (

∫

FN)

To Integrating Equations:

To integrate an equation:

1. If the equation that defines the integrand's function isn't stored in the

equation list, key it in (see "Entering Equations Into the Equation List" in

chapter 6) and leave Equation mode. The equation usually contains just

an expression.

2. Enter the limits of integration: key in the lower limit and press



then key in the upper limit.

3. Display the equation: Press

{

and, if necessary, scroll through

the equation list (press





) to display the desired

equation.

4. Select the variable of integration: Press

{

)

variable. This starts the

calculation.

)

uses far more memory than any other operation in the calculator. If

executing

)

causes a

&

"

message, refer to appendix B.

You can halt a running integration calculation by pressing



However, no information about the integration is available until the

calculation finishes normally

The display format setting affects the level of accuracy assumed for your

function and used for the result. The integration is more precise but takes

much longer in the {



} and higher {

%

}, {



}, and {



} settings. The

uncertainty of the result ends up in the Y–register, pushing the limits of

integration up into the T– and Z–registers. For more information, see

"Accuracy of Integration" later in this chapter.

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