Maxima is really cool but, because its so powerful, its sometimes difficult to work out how to do things. If your needs are more modest, I highly recommend Math

Maxima is really cool but, because its so powerful, its sometimes difficult to work out how to do things. If your needs are more modest, I highly recommend Mathomatic: http://www.mathomatic.org/math/ http://www.mathomatic.org/math/