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TI 1788 IIModel: TI-1788 II
Battery: 2 x LR43
Adapter: 
Year: 1982
Chip: 
Info: LCD  1980 - 1984  Made in Taiwan

 

 


 

TI 1788 IIIModel: TI-1788 III
Battery: 2 x LR43
Adapter: 
Year: 1985
Chip: 
Info: Made in Taiwan 

The TI-1788 III combines the clock and alarm time function known from the TI-1788 II with a whole set of additional functions and includes:

• 8-digit calculator including full memory
• Clock with alarm time and buzzer
• World Time
• Calendar with Day of Week function
• Stopwatch with intermediate results
• Conversion capability (multiplies with and divides by a constant)

 







TI 1790 datachronModel: TI-1790 datachron
Battery: 2 x LR44
Adapter: 
Year: 1978
Chip: T3566 Toshiba          
Info: first TI-LCD - yellow LCD  

 

 

 


 

TI 1798Model: TI-1798
Battery:  solar
Adapter:     
Year: 1990
Chip: 
Info: modern DESKTOP made in taiwan

 

 

 


 

TI 1850 vision kitModel: TI-1850 visor kit
Battery: 2 x LR43
Adapter: 
Year: 1981
Chip: TP0311         
Info: slimline LCD - first solar LCD