Texas Instruments

• LCD-1982-1987

Model: TI-1744
Battery: 2 x LR43
Adapter: 
Year: 1982
Chip: NEC uPD1831G
Info: Made in Taiwan 

• LCD-1982-1987

Model: TI-1746
Battery: solar
Adapter: 
Year: 1985
Chip: 
Info: Made in Taiwan 

• First lcd and Yellow lcd

Model: TI-1750
Battery: 3 x LR44
Adapter: 
Year: 1977
Chip: Toshiba T3532
Info: first TI-LCD - yellow LCD  

• First lcd and Yellow lcd

Model: TI-1750-II
Battery: 2 x LR54
Adapter: 
Year: 1980
Chip: Toshiba T3709
Info:

• First lcd and Slimline lcd

Model: TI-1750 III
Battery: 2 x LR43
Adapter: 
Year: 1982
Chip: TPO311
Info: