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: opena (<file>) Returns an output stream to <file>. If an existing file is opened, opena appends elements at the end of file.
There are also some inexact matches for opena. Try ?? opena to see them.
(%o1) true (%i2)