TI LETTERlogic

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An electronic word game system, marketed by Texas Instruments in the early 1980s. This is a hand-held system that allows the user to play word games and by having fun with it and to improve spelling and grammar.

Date of introduction: 1980
Display technology: Fluorescent
Display size: 8 alphanumeric
Size: 6.1" x 3.4" x 1.1"
Weight: 5.5 ounces Serial No:
Batteries: 9V
AC-Adapter: Origin of manufacture: Italy
Integrated circuits: TMC0273, TMC0355

Our machine is model reference number 21 80RC1 was assembled in Italy and was very kindly donated by Francis Hookham.

Manufacturer: TI
Date: 1980

Other Systems Related To TI LETTERlogic:

Item Manufacturer Date
Otis King Cylindrical Slide Rule Model L Otis King 1921
Olivetti Elettrosumma 22 Olivetti 1958
Otis King Cylindrical Slide Rule Model K Otis King 1960
Olivetti Summa Prima 20 (pre-decimal) Olivetti 1961
British Thornton PIC No. 271 Log Log Slide Rule British Thornton 1963
British Thornton AD 150 Advanced Slide Rule British Thornton 1965
Olivetti Summa Prima 20 Olivetti 1966
Olivetti Summa Quanta 20 Olivetti 1972
Rockwell 920 Programmable Calculator Rockwell International 1975
Novus 4510 Mathematician National Semiconductor 1975
Rockwell 44RD Calculator Rockwell International 1976
TI Dataman Calculator TI 1977
Citizen 121F Desktop Electronic Calculator Citizen 1977
Kosmos 1 Biorhythm Calculator Kosmos International Ltd. March 1977
TI Programmer TI August 1977
TI-25 Scientific Calculator TI 1978
TI-1070 Calculator TI 1978
TI Little Professor (LED) TI 1978
TI-20 Calculator TI 1979
TI-30 LCD scientific calculator TI 1980
Olivetti Logos 9 Calculator Olivetti 1980
TI LCD Programmer TI 1982
Tandy EC-306 Electronic Chequebook Calculator Tandy Corporation 1982
TI Little Professor TI 1985

This exhibit has a reference ID of CH30280. Please quote this reference ID in any communication with the Centre for Computing History.

 

TI LETTERlogic


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