I am collecting calculators. I own HP-28S, HP-48G, TI-74 and TI-92. In the past I owned an Atari ST and I still remember some M68000 assembly. With me your calc

I am collecting calculators. I own HP-28S, HP-48G, TI-74 and TI-92. In the past I owned an Atari ST and I still remember some M68000 assembly. With me your calculator will never be forgotten - I use all of them periodically and keep fresh batteries in them.