2 ms·
I used Derive on an HP100LX. I still keep two HPX00LXes running in case I ever need to do a bunch of symbolic math again. Best PDA/calculator ever for physics.
by scottlocklin 12y ago
I used Derive on an HP100LX. I still keep two HPX00LXes running in case I ever need to do a bunch of symbolic math again. Best PDA/calculator ever for physics.
Funny how old calculators never go away. The HP12C is still used everywhere in finance and accounting.