Online Algebra Calculator
Many of users do not use powerful Maxima computer algebra system for systematic work, but for ad hoc algebraic calculations – equations, functions, matrixes, etc. only. To do this job, it is not useful to download the whole application from a web site.
Function: polarform (<expr>)
Returns an expression r %e^(%i theta) equivalent to <expr>, such
that r and theta are purely real.
(%o1) true (%i2)