Texas Instruments

• First lcd and Slimline lcd

Model: TI-1040
Battery: 2 x LR43
Adapter: 
Year: 1980
Chip: TPO311
Info:

• Basic

Model: TI-1050
Battery: 9 volt
Adapter: 
Year: 1977
Chip: TMC0921
Info: 

• First solar lcd and Slimline lcd

Model: TI-1070
Battery: 2 x LR43
Adapter: 
Year: 1979
Chip: TP0314         
Info: slimline LCD - first solar LCD  Made in Italy

• First solar lcd and Slimline lcd

Model: TI-1071
Battery: 2 x LR43
Adapter: 
Year: 1979
Chip: TP0314         
Info: slimline LCD - first solar LCD  Made in Spain   

• LCD-1985-1990

Model: TI-108
Battery: solar
Adapter: 
Year: 1988
Chip:     
Info: LCD  1985 - 1990  Made in Taiwan