Aristo R4000

The Aristo R4000 is an arithmetic calculator with 10 digits precision and algebraic logic. It has 8 functions, 25 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 8
Keys: 25
Precision: 10
Logic: Algebraic
Display type: VFD
Power Source: 2xAA
Year introduced: 1975

See other calculators by Aristo