Texas Instruments

• first lcd and slimline lcd

Model: TI-2001 gti France
Battery: 2 x AA
Adapter: 
Year: 1982
Chip: TP0455/CD4514 or TP0456/CD4564
Info: Silver housing . Made in Italy

• first lcd and slimline lcd

Model: TI-2001 gti ITA
Battery: 2 x AA
Adapter: 
Year: 1982
Chip:  TP0455/CD4514 or TP0456/CD4564
Info: Black Housing. Made in Italy    

• first lcd and slimline lcd

Model: TI-2001 gti ITA
Battery: 2 x AA
Adapter: 
Year: 1982
Chip:  TP0455/CD4514 or TP0456/CD4564
Info: Silver Housing. Made in Italy

• first lcd and slimline lcd

Model: TI-2001 gti USA
Battery: 2 x AA
Adapter: 
Year: 1982
Chip:  CD4564
Info:  first LCD and slimline LCD  Made in USA   

• first lcd and slimline lcd

Model: TI-2001 logpit DE
Battery: 2 x AA
Adapter: 
Year: 1982
Chip:  CD4564
Info:  the logo " logpit " is white. In 1982 Texas Instruments changed the design of the original LOGpit slightly. Please compare the color of the name plate just below the LC-displa