APF MARK 51 Scientific Calculator

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1975
Description

The APF MARK 51 Scientific Calculator is a scientific calculator with 8 digits precision and algebraic logic. It has 17 functions, 19 keys and a VFD (vacuum fluorescent) display. The power source is PP3 9V.

Legacy Content: Unknown Author
Hardware Type
Calculator
Manufacturer
APF Electronics, Inc.
Model Number
51
Launch Date
1975

Citations:

Courtesy of Calculator.org
Courtesy of UBC Computer Science
Courtesy of MyCalcDB
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