WIRIS cas is described as «online platform for mathematical calculations designed for education. You can access a powerful calculation toolbar through an HTML page that includes integrals and limits calculation, function graphing in 2D or 3D and symbolic matrices manipulation, among others» and is a Calculator in the education & reference category. There are more than 10 alternatives to WIRIS cas, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Windows Mobile. The best alternative is Mathematica. It»s not free, so if you»re looking for a free alternative, you could try SageMath or wxMaxima. Other great sites and apps similar to WIRIS cas are Maple, SMath Studio, PTC Mathcad and Giac/Xcas.WIRIS cas alternatives are mainly Calculators but may also be Programming Languages. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of WIRIS cas.