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: read (<expr_1>, ..., <expr_n>) Prints <expr_1>, ..., <expr_n>, then reads one expression from the console and returns the evaluated expression. The expression is terminated with a semicolon ; or dollar sign $.
See also readonly.
(%i1) foo: 42$
(%i2) foo: read ("foo is", foo, " -- enter new value.")$
foo is 42 -- enter new value.
(a+b)^3;
(%i3) foo;
3
(%o3) (b + a) There are also some inexact matches for read. Try ?? read to see them.
(%o1) true (%i2)