APF EXECUTIVE (MARK 61)

APF EXECUTIVE
Image: Joe Haupt, CC BY-SA 2.0
The APF EXECUTIVE is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 24 keys, and a VFD (vacuum fluorescent) display. The power source is Sealed battery pack.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 6
Keys: 24
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 140mm
Width: 70mm
Thickness: 13mm
Power Source: Sealed battery pack
Year introduced: 1977

See other calculators by APF