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Discussion: All Tools in Calculus on TI Calculator
Topic: average


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Subject:   RE: average
Author: Craig
Date: Mar 12 2007
On Mar 12 2007, pete5548 wrote:
> Is it possible to find the average value of a function over a
> certain interval on a TI 83?

Calculus would have you integrate over the interval, then divide by the length
of the interval.  The TI-83 can do this:

fnInt(Y1,x,lower,upper)/(upper - lower)

works, where the function is stored in Y1, and lower and upper are the endpoints
of the interval you're concerned with.  fnInt is #9 under the Math menu.

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