RPN 50g

The HP 50g is the last and most powerful of a legendary line: HP 48S, 48G, 49G, 49g+ and finally the 50g — a quarter century of RPN and RPL calculators that engineers, physicists and mathematicians never really let go of. Discontinued in 2015, it remains the reference, and many consider it the best calculator ever made. RPN 50g brings that machine to your iPhone and iPad — not an imitation, the real thing. The app emulates the calculator's hardware (its 75 MHz ARM processor, 512 KB of RAM, 2 MB of flash, the 131×80 display, the keyboard and the SD card slot) and runs HP's original firmware, so it behaves exactly as the calculator on your desk: every function, every mode, every flag, every quirk, key click included. THE CALCULATOR • An advanced computer algebra system: exact rational and arbitrary-precision integer arithmetic, symbolic simplification, factoring, polynomials, derivatives,…