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super speak & spellModel: Super Speak & Spell
Battery: 4 x AA

AC adapter:
Year: 1989
 
Chip:

Info: TSP50C42 (CSM42019) TSP60C18 (CMM18004)  or TSP50C10 (CSM10087) HD44780


 

Super Speak & spell 2vModel: Super Speak and Spell 2v
Battery: 4 x 1,5 C

AC adapter:
Year: 1992

Chip:

Info: 2 version

 


 

TI 2700 mini data bankModel: TI-2700 mini data bank
Battery: 3 x LR43 + CR1220
              
AC adapter:
Year: 1988
 
Chip:Toshiba TC5518 

Info: 

 

 


 

TI 3100 pocket dialerModel: TI-3100 pocket dialer
Battery: CR2025

AC adapter:
Year: 1990

Chip:

Info:

 

 


 

TI 74 basicalcTI 0074 insuranceModel: TI-74 basicalc
Battery: 4 x AAA
 
AC adapter:
Year: 1987

Chip:

Info: The ti-74 was produced in two models with the Basic on board called TI-74 basicalc and TI-74 S (special) where it used a preprogrammed module, intended for insurance, banks, etc ..