Wizkids Apps MathSolver Wizkids MathSolver is a powerful CAS calculator. It’s the first CAS calculator to be released as an Add-On to Google Docs. Use MathSolver to plot graphs and solve equations with the built-in equation editor in Google Docs. You can:Solve equations and plot graphsFind numerical and exact solutionsSimplify and factorize expressions with variablesDrag and drop results and graphs from the sidebar into Google Docs