Texas Instruments

• LCD-1985-1990

Model: TI-1776
Battery:  Solar
Adapter: 
Year: 1982
Chip:
Info:At first glance seems the TI-1776 almost identical with the TI-1766, the first solar powered calculator introduced by Texas Instruments. The main difference is a much smaller and thinner housing, engineers of Toshiba, Japan shrank the calculator in all three dimensions by about 20%. 

• LCD-1980-1984

Model: TI-1780 card
Battery: solar
Adapter: 
Year: 1983
Chip:
Info: LCD  1980 - 1984 

• LCD-1985-1990

Model: TI-1783 card
Battery: solar
Adapter: 
Year: 1984
Chip:     
Info: The TI-1783, introduced together with 4 other members of the TI CARD family (TI-1784, TI-1785, TI-1786 ), weights less than 1 ounce!  Made in Taiwan

• LCD-1985-1990

Model: TI-1784 card
Battery: solar
Adapter: 
Year: 1985
Chip:     
Info:The TI-1784, introduced together with 4 other members of the TI CARD family (TI-1783, TI-1785, TI-1786 ), weights less than 1 ounce!  Made in Taiwan

• LCD-1985-1990

Model: TI-1785 card
Battery: solar
Adapter: 
Year: 1985
Chip:     
Info: The TI-1785, introduced together with 4 other members of the TI CARD family (TI-1784, TI-1783, TI-1786 ), weights less than 1 ounce!  Made in Taiwan