T Research 887D

The T Research 887D is an arithmetic calculator with algebraic logic. It has 23 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V.

Facts at a glance:

Feature Value
Type: Arithmetic
Keys: 23
Logic: Algebraic
Display type: LED
Power Source: PP3 9V
Year introduced: 1975

See other calculators by T Research