Solution 31591: Calculating Numerical Integrals using the TI-36X Pro Scientific Calculator
How do I calculate numeric integrals using the TI-36X Pro scientific calculator?To find the numeric integral of x^3+2x from 1 to 3 using the TI-36X Pro, please follow the steps below:
1) Press [2nd] and the key directly under [ln log] to display the numeric integral template.
2) The first two boxes (top and bottom) are the upper and lower limits; in the bottom box, enter .
3) Scroll up and enter  in the top box.
4) Scroll to the right and enter [x] [x^]  [->] [+]  [x].
5) Press [enter].
The displayed answer will show 28.
Please see the TI-36X Pro guidebook for additional information.