How do I find a definite integral on a TI-84?

1 Answer
Sep 25, 2014

A definite integral can be found on the TI-84 by 2 methods.

This can best be described by using an example.

#int_0^5xdx#

Method 1:

Press the MATH button
Press 9 to get to the definite integral function

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Use the arrow key to move the cursor

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Enter the boundaries and function

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Press ENTER to get the result

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Method 2: Visual

Press the Y= button

Enter the function

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Press the GRAPH button

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Press 2ND button

Press TRACE button

Press 7 to get to the integration function

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Enter the Lower Limit

In this example Press 0

Press Enter

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Enter the Upper Limit

In this example Press 5

Press Enter

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Watch the TI-84 shade in the region.

See the result, 12.5, and the interval, [0,5], at the bottom of TI-84 window.

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