Solve Gamma and Beta Distribution problems using the Ti-Nspire CX’s Statistics Made Easy APP (download : https://www.tinspireapps.com/?a=SPME )
- Easily compute Gamma values. You may enter integers , fractions or decimals (which uses the Lanczos Approximation). See below.



Similarly, Beta values can be found (which uses the Gamma Function):

After all this prep work, you can then find the Mean and Variance of the Beta Distribution AND evaluate the Beta CDF after entering the x-bounds, Alpha and Beta as shown below:





Gamma Distribution can be done similarly. See below.
Enter x, Alpha and Beta to find Gamma PDF:

And the Gamma CDF is evaluated , see below:


