Solution 10687: Differences in the TI-30X and TI-30Xa.
What are the differences between the TI-30X and TI-30Xa?
The key difference between the TI-30X and TI-30Xa is
that the TI-30Xa does not automatically use the [=] key as a constant.
As requested by educators, it has a [k] key that will turn on the [=]
key to be used as a constant. When the [k] key is selected a [k] will
appear in the screen and then the [=] key will act as a constant.
minor change is the way in which the permutation and combination
functions are input. For nCr or nPr, the user used to enter [n], press
x-exchange-y, enter [r], then press nCr or nPr. Now these function work
like plus, minus, etc. The user enters [n], presses nCr or nPr, enters
[r], and then presses [=].
Please see the TI-30Xa family guidebooks for additional information.
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