TI-Nspire calculator with hotswap keyboard

Ti_nspireI never got into the Texas Instruments scientific calculators back in the day; I admit I wasn’t smart enough for those and just stuck with the business calcs back then. Nowadays, the little scientist or mathematician-to-be can use one of these Transformer-like TI-Nspire graphing calculators with swappable faceplate. At first I thought the alpha keys between numbers and functions were for IM’ing other TI-Nspire calcs, but no, they’re to add alpha characters for equations for when you don’t know the numeric value. Kind of like Sudoku, right? This probably explains why I stuck the the abacus for so long. Hey, stop laughing: my abacus was much cheaper than this $138 number cruncher.

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