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Rockwell 9TR

The Rockwell 9TR is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 18 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V. The calculator was manufactured in Mexico.

Facts at a glance:

Type Arithmetic
Functions 5
Keys 18
Precision 8
Logic Algebraic
Display type LED
Display size
Printer
Length 155 mm
Width 76 mm
Thickness 23 mm
Weight 122 g
Power Source PP3 9V
Country Mexico
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued 1976

See other calculators manufactured by Rockwell.