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 ..