Yeah, I upgraded to an 89 in college and then had a math professor who did all sorts of programming with them. I still have the 89 and my wife has her 83. I c

Yeah, I upgraded to an 89 in college and then had a math professor who did all sorts of programming with them. I still have the 89 and my wife has her 83. I can't bear to get rid of them :) I think another reason they're still around is that there's just a lot of material written for them, decades and decades worth of programs and instruction notes.