Variance and Expectation of a Discrete PDF

This program for the TI-Nspire non-CAS Clickpad or Touchpad.
To install the program, just copy the .tns file in the .zip to your calculator and run it. Instructions are given in page 1.1:
discretepdf.zip

This program gives the expectation or variance of a discrete probability distribution

Enjoy!
Ramana

Co-factor of a matrix for TI-Nspire Non-CAS

This is a program for the TI-Nspire non-CAS Clickpad or Touchpad.
To install the program, just copy the .tns file in the zip to your calculator and run it. Instructions are given in page 1.1:
cofactor.zip

This program outputs the co-factor of any matrix.

Enjoy!
Ramana