translator1Model: TI-1400
Battery: 9 volt
Adapter: AC9180
Year: 1976
Chip: TMS0972
Info: 





TI 15 overheadModel: TI-15 overhead
Battery: 
Adapter: 
Year:  
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".





translator1Model: TI-1450
Battery: 9 volt
Adapter: AC9180
Year: 1976
Chip: TMS0972
Info: 





translator1Model: TI-150
Battery: 4 x AA ni-cd internal
Adapter: AC9150
Year: 1975
Chip: TMS0852
Info: This calculator tastes different, it was a dear friend Joerg of datamath.org who gave it to me. Very Rare





translator1Model: TI-15
Battery: 9 volt
Adapter: 
Year: 1981
Chip: TMC0981
Info: EURO line 





ti 1500Model: TI-1500
Battery: 2 x AA ni-cd
Adapter: AC9140, AC9900/C
Year: 1974
Chip: TMS0803
Info: 







comingsoon 300x291Model: TI-15 explorer lcd
Battery: CR2025
Adapter: 
Year: 2004
Chip: China
Info:





translator1Model: TI-1505
Battery: LR1130
Adapter: 
Year: 1985
Chip: 
Info: LCD  1985 - 1990  Made in Taiwan





comingsoon 300x291Model: TI-15 lcd
Battery: 2 x AA alkaline
Adapter: 
Year: 1982
Chip: Taiwan
Info:





translator1Model: TI-1600
Battery: special 1,2 ni-cd
Adapter: AC9131
Year: 1977
Chip: TMS1043
Info: