Many students have access to graphing calculators when at school, but not at home. They are very expensive, and often only used by students for a year or two. I suggest strongly that students entering a STEM field invest in graphing utilities, but that may or may not be an option. Let me state up front, that I am an Android user and am unaware of the availability of this calculator for IPhones.
I am going to do a short series of features on Calc 84 in video format. First, here is a link to the calculator on the Play Store. https://play.google.com/store/apps/details?id=scientific.graphing.calculator.t84.t36.t83
Next, here is a quick video of one feature of Calc 84...generating the prime factorization of an integer. This is very useful in simplifying radical expressions. Please let me know if you have comments or questions and check back for additional posts on using this really nice calculator.
Prime Factorization with Calc 84 Video (and general introduction)
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