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TSI SPEECH PLUS

TSI SPEECH PLUS
Image: wass.net used with permission

The TSI SPEECH PLUS is an arithmetic calculator with algebraic logic. It has 6 functions, 23 keys, and an LED (light-emitting diode) display, typical of calculators of this era. Note: Spelling/speech synthesizer

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys23
LogicAlgebraic
Display typeLED
Length115mm
Width180mm
Thickness32mm
Weight500g
Year introduced1975
Year discontinued1976

Replacements:

If you have a TSI SPEECH PLUS that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by TSI