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: numerval (<x_1>, <expr_1>, ..., <var_n>, <expr_n>) Declares the variables x_1, ..., <x_n> to have numeric values equal to expr_1, ..., expr_n. The numeric value is evaluated and substituted for the variable in any expressions in which the variable occurs if the numer flag is true. See also ev.
The expressions expr_1, ..., expr_n can be any expressions, not necessarily numeric.
(%o1) true (%i2)