Hewlett Packard - HP 20S

Description

Brand: Hewlett Packard
Model: HP 20S
Type: Programmable scientific calculator
Batteries: LR 44 x 3
Lifetime: Introduced: 1989
Terminated: unknown
Notes: A non-RPN HP calculator with some interesting functions. This calculator includes an algebraic entry, built-in metric conversions and has a built-in program memory of which specific programs can be loaded using the "LOAD"-key.
Picture: HP 20S picture

©2009 Ernst Mulder