Aries AR-420

The Aries AR-420 is an arithmetic calculator with algebraic logic. It has an LED (light-emitting diode) display, typical of calculators of this era. The power source is Sealed battery pack. Note: Membrane keypad. Available in kit form.

Facts at a glance:

Feature Value
Type: Arithmetic
Logic: Algebraic
Display type: LED
Length: 121mm
Width: 76mm
Power Source: Sealed battery pack
Year introduced: 1973

See other calculators by Aries