Texas Instruments

• LCD-1985-1990

Model: TI-1785 card
Battery: solar
Adapter: 
Year: 1985
Chip:     
Info: LCD  1985 - 1990 

• modern desktop

Model: TI-1798
Battery:  solar
Adapter:     
Year: 1990
Chip: 
Info: modern DESKTOP made in taiwan

• LCD-1985-1990

Model: TI-1786 card
Battery: solar
Adapter: 
Year: 1990
Chip:     
Info: LCD  1985 - 1990 Made in Taiwan

• LCD-1982-1987

Model: TI-18
Battery: 2 x LR43
Adapter: 
Year: 1983
Chip:  TPO311
Info:  modern LCD  1982 - 1987

• LCD-1980-1984

Model: TI-1788
Battery: 
Adapter: 
Year: 1981
Chip: 
Info: LCD  1980 - 1984  Made in Taiwan

• first solar lcd and slimline lcd

Model: TI-1850 visor kit
Battery: 2 x LR43
Adapter: 
Year: 1981
Chip: TP0311         
Info: slimline LCD - first solar LCD

• LCD-1982-1987

Model: TI-1788 II
Battery: 2 x LR43
Adapter: 
Year: 1982
Chip: 
Info: LCD  1980 - 1984  Made in Taiwan

• overhead

Model: TI-1889 metric
Battery: 2 x LR1130
Adapter: 
Year:  1982
Chip: Toshiba T6751 
Info:  Made in Japan . Compared with the basic calculators manufactured in Taiwan early in the Eighties, the "TI-1889 Metric Converter" feels more substantial.

• first lcd and yellow lcd

Model: TI-1790 data chron
Battery: 2 x LR44
Adapter: 
Year: 1978
Chip: T3566 Toshiba          
Info: first TI-LCD - yellow LCD  

• first lcd and slimline lcd

Model: TI-1890 converter
Battery: 2 x LR44
Adapter: 
Year: 1983
Chip:  CD4559
Info:  first LCD and slimline LCD