Texas Instruments

• LCD-1985-1990

Model: TI-502 red
Battery: LR1130
Adapter: 
Year: 1988
Chip: Sharp LI3155
Info: LCD  1985 - 1990 

• Modern Desktop

Model: TI-5020
Battery:  Solar
Adapter:     
Year: 1984
Chip: Toshiba T6897
Info:

• Modern Desktop

Model: TI-5022
Battery:  solar
Adapter:    
Year: 1983
Chip: Thoshiba T6897
Info: modern DESKTOP

• First HANDHELD printing

Model: TI-5025
Battery: 7 x AA ni-cd    
Adapter:  AC9172
Year: 1980
Chip: TMC0262       
Info:  first HANDHELD printing 

• LCD-1991-1999

Model: TI-503
Battery: LR54
Adapter: 
Year: 1991
Chip:     
Info: LCD  1991 - 1999 Made in China