>>4
I know that feeling. I sold my HP 48SX at the end of high school. I want so badly to buy the exact same model one of these days. We were already programming in Lisp (Polish Reverse) but we didn't know yet.
At least, I have managed to keep my father's slide rule and my "japanese school supply" soroban, but where's my Saturn processor? They will never make calculators again, only computers with Saturn emulators.