Bowmar MX90 (MX-90 ; 91505)

Bowmar MX90
Image: Mark Bollman, used with permission
The Bowmar MX90 is an arithmetic calculator with 10 digits precision and algebraic logic. It has 8 functions, 25 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is Sealed battery pack. The calculator was manufactured in Mexico. Note: Available with different keyboard colours.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 8
Keys: 25
Precision: 10
Logic: Algebraic
Display type: LED
Length: 133mm
Width: 76mm
Power Source: Sealed battery pack
Country: Mexico
Year introduced: 1974
YearDiscontinued: 1974

See other calculators by Bowmar