Texas Instruments

• LCD-1985-1990

Model: TI-1775
Battery: solar
Adapter: 
Year: 1988
Chip: 
Info: 

• LCD-1985-1990

Model: TI-1775+
Battery:  LR44
Adapter: 
Year: 1997
Chip:
Info: made in Thailandia 

• LCD-1980-1984

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

• LCD-1985-1990

Model: TI-1784 card
Battery: solar
Adapter: 
Year: 1985
Chip:     
Info: LCD  1985 - 1990 Made in Taiwan

• LCD-1985-1990

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