Electrical formulas

[john jensen]

Hi every one,

I have a few questions, I just bought a Prime for my study.
I Have a 42S which have served me well for many years, then I had a Ti NSpire which I simply hated so quickly I went back to my trusty 42S because I did not like the plastic 50.
Anyways to my question in electrical formulas pretty much every variable is represented with greek letters often with underscore, lowered numbers ' or all of these to explain exactly which value they represent!!, to me it seems that I can't use greek letters for variables?, is there anyone with a clever way to name variables in this case??

Thanks