Texas Instruments Handheld Games (7 listed)
Texas Instruments (TI) is a Dallas-based company that is well known for their manufacture of IC chips and calculators. They also made some games, most of which are actually game-calculators or learning calculators. They are also well known for the Speak & Spell/Read/Math series of games (as seen in the movie E.T.).
Dataman
La Dictee Magique (French version of Speak & Spell)
Little Professor
Math Marvel
Mr. Challenger
Spelling B
Wiz-a-Tron