Is a TI 84 plus a CAS calculator?

Calculators not allowed: I am going to teach using the TI-83/84, but I will allow any graphing calculator provided that it is not a CAS (which stands for computer algebra system) calculator. Common examples of CAS calculators are the TI-89, TI-89 Titanium Edition, and TI-Nspire CAS (the regular TI-Nspire is fine).

Also asked, what is CAS functionality?

A computer algebra system (CAS) is any mathematical software with the ability to manipulate mathematical expressions in a way similar to the traditional manual computations of mathematicians and scientists.

Are scientific and graphing calculators the same thing?

A scientific calculator is one that performs functions beyond addition, subtraction, multiplication, and division. Graphing calculators allow you to type in a function, and will then show you a graph of it. It's possible to find scientific calculators that are not graphing calculators.

Is the TI Nspire CX allowed in IB?

Generally, calculators with a CAS (computer algebra system) are not allowed on the majority of standardized tests. Specifically, all versions of the TI Nspire CAS are disallowed on IB examinations, according to http://iiilo.websitestyle.53.ibc

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