Texas Instruments

• Basic
• TMS0972NL

Model: TI-1400
Battery: 9 volt
Adapter: AC9180
Year: 1976
Chip: TMS0972
Info: 

• Basic
• TMS0972NL

Model: TI-1450
Battery: 9 volt
Adapter: AC9180
Year: 1976
Chip: TMS0972
Info: 

Model: TI-15 explorer lcd
Battery: CR2025
Adapter: 
Year: 2007
Chip: China
Info:

• Euro line

Model: TI-15 lcd
Battery: 2 x AA alkaline
Adapter: 
Year: 1982
Chip: Taiwan
Info

• Euro line

Model: TI-15
Battery: 9 volt
Adapter: 
Year: 1981
Chip: TMC0981
Info: EURO line