APF MARK 65r

APF MARK 65r
Image: Joe Haupt, CC BY-SA 2.0
The APF MARK 65r 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 2xAAA sealed.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 6
Keys: 24
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 125mm
Width: 74mm
Thickness: 26mm
Power Source: 2xAAA sealed
Year introduced: 1977
YearDiscontinued: 1977

See other calculators by APF