HP 15C Collector's Edition Review
25:56
HP 48SX Calculator from 1990
23:44
Excitedly unboxing my new HP 15c Collector's Edition calculator and checking the keyboard
8:26
Kahan on HP calculators: Solve, Integrate and Matrix Operations
19:50
HP 35S #01 - Einstieg in UPN
1:41:27
DB48X - Reviving the spirit of HP calculators
31:20
Every Maker Should Have [Pt.40]...an HP-15C, HP-35S or a Casio fx-61F
17:57
EEVblog #1159 - World's Most Precise Pocket Calculator
21:27