csiszolt felület megteszi érez ti 68 calculator profil kifut ív
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
Texas Instruments TI-84 plus CE Color Graphing Calculator, Black 7.5 I – QUADRITICS
Eddie's Math and Calculator Blog: Retro Review: Texas Instruments TI-68