MBO Derby I

The MBO Derby I is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 19 keys, and a VFD (vacuum fluorescent) display.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 6
Keys: 19
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 109mm
Width: 70mm
Year introduced: 1975

See other calculators by MBO