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
• How Its Made

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

One of the many calculators manufactured at the Cittaducale plant in Rieti, Italy. In the fourth photo, the marking indicates the seventh week of 1980 and the RCI (Rieti Cittaducale Italia) location.

• 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