Texas Instruments

• LCD-2000-2017

Model: TI-36 x
Battery: solar
Adapter: 
Year: 2000
Chip:
Info: modern LCD  2000 - 2017 

• first lcd and slimline lcd

Model: TI-38
Battery: 2 x LR44
Adapter: 
Year: 1981
Chip:  TPO326
Info:  first LCD and slimline LCD     

• slanted LCD

Model: TI-40
Battery: 2 x LR44
Adapter: 
Year: 1983
Chip:  CD4507
Info:  slanted LCD  generation

• euro line

Model: TI-41
Battery: 9 volt
Adapter: 
Year: 1977
Chip: TMC0982
Info: EURO line 

• euro line

Model: TI-42 mba
Battery: BP7
Adapter: AC9900
Year: 1979
Chip: TMC1502
Info: EURO line Made in Iatly