National Semiconductor Mathematician

National Semiconductor Mathematician
Image: Mark Bollman, used with permission
The National Semiconductor Mathematician is a scientific calculator with 8 digits precision and RPN (reverse polish notation) logic. It has 20 functions, 32 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V. Note: Novus Mathematician

Facts at a glance:

Feature Value
Type: Scientific
Functions: 20
Keys: 32
Precision: 8
Logic: RPN
Display type: LED
Length: 150mm
Width: 75mm
Thickness: 31mm
Power Source: PP3 9V

See other calculators by National Semiconductor