It is not just scientific, it is Advanced Scientific! Unfortunately there are display problems with this vintage TI-68 (2nd pic). It is otherwise in very nice shape. Can this sub help with
Pin op TI Calculators
MyCalcDB : Calculator Texas Instruments TI-68 aka ADVANCED SCIENTIFIC version 2
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Texas Instruments Ti-68 TI68 Advanced Scientific Calculator Tested Working for sale online | eBay
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Devo dire addio alla mia fida calcolatrice Ti-68? - Hardware Upgrade Forum
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Texas Instruments TI-68 - dba.dk - Køb og Salg af Nyt og Brugt
