Dictaphone 1681

The Dictaphone 1681 is an arithmetic calculator with 8 digits precision and algebraic logic. It has a VFD (vacuum fluorescent) display. The power source is Sealed battery pack. Note: 16 digits internal precision.

Facts at a glance:

Feature Value
Type: Arithmetic
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 222mm
Width: 140mm
Power Source: Sealed battery pack
Year introduced: 1972

See other calculators by Dictaphone