Solution 25050: Calculating Integrals Using the TI-Nspire™ Family.
How do I calculate indefinite and definite (numerical) integrals using the TI-Nspire family?
To calculate definite (numerical) integrals using the TI-Nspire family, please follow the examples listed below.
Example: Calculate the definite (numerical) integral of x^3+x in the interval [1,3].
1) Press [home] [A] or choose to add a Calculator application.
2) Press [menu] [4] [2] on the TI-Nspire or [menu] [4] [3] on the TI-Nspire CAS.
3) Press [1] [tab] [3] [tab].
4) Press [X] [^] [3] [tab] [+] [X].
5) Press [tab] [X] [enter].
Please Note: The TI-Nspire CAS family may also calculate indefinite integrals as it incorporates CAS (Computer Algebra System). To calculate indefinite integrals use the example below.
Example: Calculate the indefinite integral of x^3+x.
1) Press [menu] [4] [3].
2) Press [tab] [tab].
3) Press [X] [^] [3] [tab] [+] [X].
4) Press [tab] [X] [enter].
Please see the TI-Nspire family guidebooks for additional information.