Corvus CheckMaster

Corvus CheckMaster
Image: wass.net used with permission
The Corvus CheckMaster is an arithmetic calculator with algebraic logic. It has 14 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 6xAA. Note: Cheque book tracking function, and non-volatile memory.

Facts at a glance:

Feature Value
Type: Arithmetic
Keys: 14
Logic: Algebraic
Display type: LED
Length: 89mm
Width: 171mm
Power Source: 6xAA
Year introduced: 1975

See other calculators by Corvus