14:04

Slide Rule vs Calculator Showdown: Decilon & HP-35

14:40

Using Free42

3:33

Calculus Part 1

23:04

CAM #4 - Pt 2 What is RPN Reverse Polish Notation / How to use RPN on the HP 12C, HP 15C and HP 50g

13:32

Reverse Polish Notation and The Stack - Computerphile

21:37

CAM #4 - Pt 1 What is RPN Reverse Polish Notation / How to use RPN on the HP 12C, HP 15C and HP 50g

12:29

Comparison of HP42s and DM42 features

8:21

The Wizard and the Woz. The greatest calculator story ever told starring Steve Wozniak and the HP-45