Top three calculators ?

[Dave1947]

The one I reach for first is my HP-15C. I bought it in the mid 80’s to replace the 11C that I wore out. Before that I used my HP-35 that I bought in 1973 and still have. The one I use on the road is the HP-15C app on my iPhone or the 32S-II that I carry around in my backpack. I’m really comfortable with the 15C so it gets all the use.

Other than those I have an HP-21, a 41CV, a 67 and a 71b. These are used mostly to fill my idle time and keep me out of mischief.