#1242 HP 32S Calculator
19:49
HP 27S - HP's elegant "Do All" calculator from 1988
17:54
Comparison of HP 32SII, HP 33S and HP 35S scientific calculators
23:31
HP 28C Scientific Calculator from 1987 - A new beginning
4:06
Wooden RPN calculator
13:18
HP 20s Calculator Screen/Keyboard Repair
25:15
HHC 2023: Recreating the HP 15c Handbooks (Eric Rechlin)
15:51
It’s Been a Good Run, Phone Providers (Part 2)
18:40