Texas Instruments

• LCD-2000-2017

Model: TI-10
Battery: solar, CR2025
Adapter: 
Year: 2002
Chip:
Info: modern LCD  2000 - 2017 

• Modern Desktop

Model: TI-10 europa
Battery:  solar
Adapter:     
Year: 1995
Chip: 
Info: modern DESKTOP 

• Overhead

Model: TI-10 overhead
Battery: 
Adapter: 
Year:  2006
Chip: made in China
Info:  The California based company Stokes Publishing Company, Inc. distributes under the label "The Educator®"
calculators optimized for teaching purposes. William T. Stokes filed already July 30, 1991 the US Patent Application U.S. Pat. No. 5,035,502
 with the title "Transparent calculator for overhead projection".

• Basic

Model: TI-1000 gold
Battery: 3 x AAA ni-cd
Adapter: AC9180
Year: 1977
Chip: TMC1991 or TMC1992
Info: 

• Basic

Model: TI-1000 silver
Battery: 3 x AAA ni-cd
Adapter: AC9180
Year: 1977
Chip: TMC1991 or TMC1992
Info: