HP 48GX and HP Prime - Solving a multi-variable equation for a given variable
7:34
HP 48GX (without HP Prime) - Using "Nested" Expressions/Equations
17:46
DM42 (SwissMicros) - Solving Various Engineering Problems
25:56
HP 48SX Calculator from 1990
12:51
1 kilosubscriber celebration with the mighty hp 28S
17:57
EEVblog #1159 - World's Most Precise Pocket Calculator
20:37
¡El Auto Más Rápido Del Mundo Vs Cheetah!
11:05
HHC 2014: Programming the Same Task: HP-41, HP-71B, HP 50g, HP Prime
14:04