Dictaphone 1680

The Dictaphone 1680 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 4 functions, 19 keys, and a VFD (vacuum fluorescent) display. The power source is Sealed battery pack. Note: Sanyo ICC-82D. 16 digits internal precision.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 4
Keys: 19
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 210mm
Width: 140mm
Power Source: Sealed battery pack
Year introduced: 1971

See other calculators by Dictaphone