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: nonscalarp (<expr>) Returns true if <expr> is a non-scalar, i.e., it contains atoms declared as non-scalars, lists, or matrices.
(%o1) true (%i2)