Melcor SC-635

Melcor SC-635
Image: Joe Haupt, CC BY-SA 2.0
The Melcor SC-635 is a scientific calculator with algebraic logic. It has 26 functions, 40 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is Sealed battery pack.

Facts at a glance:

Feature Value
Type: Scientific
Functions: 26
Keys: 40
Logic: Algebraic
Display type: LED
Length: 159mm
Width: 89mm
Thickness: 37mm
Power Source: Sealed battery pack
Year introduced: 1974
YearDiscontinued: 1975

See other calculators by Melcor