MBO MONARCH 20

The MBO MONARCH 20 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 24 keys, and a VFD (vacuum fluorescent) display.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 8
Keys: 24
Precision: 8
Logic: Algebraic
Display type: VFD
Year introduced: 1975

See other calculators by MBO