Texas Instruments

• first lcd and slimline lcd

Model: TI-35 black
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. SOA (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:          

• LCD-1982-1987

Model: TI-36
Battery: solar
Adapter: 
Year: 1986
Chip:  Thoshiba T7768 
Info:  modern LCD  1982 - 1987

• LCD-1991-1999

Model: TI-36 x
Battery: solar
Adapter: 
Year: 1996
Chip:
Info: