Easy to use scientific and graphing calculator with no ads! Advanced feature like finding zeros and intersections, as well as trigonometric functions!
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Giac/Xcas Alternatives
Giac/Xcas is described as 'Free computer algebra system for Windows, Mac OS X and Linux/Unix' and is a Calculator in the education & reference category. There are more than 50 alternatives to Giac/Xcas for a variety of platforms, including Windows, Linux, Mac, Web-based and iPad apps. The best Giac/Xcas alternative is Qalculate!, which is both free and Open Source. Other great apps like Giac/Xcas are MATLAB, Mathematica, GeoGebra and Matplotlib.
