Texas Instruments

• First lcd and Slimline lcd

Model: TI-35 plus
Battery: 2 x LR44
Adapter: 
Year: 1981 Price: L. 35.00 + iva 14%
Chip:  TPO324
Info:From an advertisement of the time! The most ready. The TI-35 scientific calculator is more responsive because it has "constant" memory. To keep the contents unchanged, even when the calculator is turned off, restart the calculations in due course. AOS (algebraic operating system): 54 functions, algebraic, logarithmic, trigonometric and statistical, ultra-flat with very long life batteries, energy saving device!

• First lcd and Slimline lcd

Model: TI-35 silver
Battery: 2 x LR44
Adapter: 
Year: 1981
Chip:  TPO324
Info:  silver frame  

• LCD-1985-1990

Model: TI-35 solar
Battery: solar
Adapter: 
Year: 1984
Chip:  T6974S Toshiba
Info:          

• Desktop line

Model: TI-3500
Battery:                
Adapter:  110 volt 
Year: 1973
Chip: TMS0106
Info:  DESKTOP line 

• Desktop line

Model: TI-3510
Battery:                
Adapter:  110 volt 
Year: 1974
Chip: TMS0106, MM5314 national semiconductor
Info:  DESKTOP line   with clock

Diagram TI-3510