I've been using the hardware of this since graduate school in the 70's--my experience is that ur mind either works in RPN or it doesn't. I have difficulty with non RPN calculators por ejemplo. Friend sent me the link --
FREE HP 12C EMULATOR Pretty neat to have it on the computer--got mine on the start bar--use it all the time and beats the snot out of Gates' calculator--if you like these calculators.
