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Realmate PTT

The Realmate PTT is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 24 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 2x1.5V cell.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions7
Keys24
Precision8
LogicAlgebraic
Display typeYLCD
Length111mm
Width65mm
Thickness8mm
Power Consumption0.000200W
Power Source2x1.5V cell
Year introduced1977
Year discontinued1977

Replacements:

If you have a Realmate PTT that is no longer working, you can first try replacing the 2x1.5V cell batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Realmate