Hi All — I am a total newbie to the world of TI-BASIC. My question is, I want to replicate on the NSpire the following command for a TI-85:

F = X + Y

I believe that on the TI-85, this command causes F, whenever called, to take on the *current* value of X + Y . Thus if X and/or Y changes, then so does F, automatically. In the *Mathematica* world, this is called a "delayed assignment"; or, we could simply say that F is a function of X and Y, namely X + Y.

What would be the corresponding command on the NSpire, please? Thanks,

David Calvis