Prinztronic 400 (M400)

The Prinztronic 400 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 25 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V. Note: Kingsonic 5000; Satek 8M (version 1); Texet 880 Executive; Unisonic 1541L

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 6
Keys: 25
Precision: 8
Logic: Algebraic
Display type: LED
Length: 135mm
Width: 77mm
Thickness: 22mm
Weight: 86g
Power Source: PP3 9V
Year introduced: 1978
YearDiscontinued: 1978

See other calculators by Prinztronic