This video shows you how to use the Casio FX115ES for the ACT® exam. Learn the features of this calculator that will benefit you. It has some advanced features that the TI84 does not have. Watch the video to find out what those are and if you should buy this calculator.

With finding the mean, I forgot to press enter with the 40. The real mean should be 21.167.
At about 10:23 I put the wrong numbers into matrix B.

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