Ray diagrams for TI Nspire Non-CAS

This is a physics program for the TI-Nspire non-CAS Clickpad and Touchpad. It allows the user to create a ray diagram by entering the focal length and adjusting the object and observing the image.
As always, the instructions are in page 1.1 and the actual program in 1.2:
ray.zip

Enjoy!
Ramana

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