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Why texas instruments decided to add a ti-84 keyboard to ti-nspire (without cas)?

April 26, 2017consumer decided electronics handhelds instruments keyboard PDAs Texas ti-84

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Why texas instruments decided to add a ti-84 keyboard to ti-nspire (without cas)?

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It wasn’t Texas Instrument’s decision to not include the TI-84+ snap-in keyboard with the TI-Nspire CAS. I’m sure that if they could, they would (after all, it would increase sales). The problem is that because there’s a Computer Algebra System built-in, it made the TI-Nspire CAS no longer compatible with the TI-84+ keyboard. I don’t know the specifics, but I’m thinking that an emulated calculator without a computer algebra system (the TI-84+) would not work well on a calculator with a computer algebra system built-in (TI-Nspire CAS). It’s exactly the same reason why calculators like the TI-89/92 are incompatible with their predecessors, the TI-83/84/+/SE and TI-86.