Maxima[1] can do symbolic computation and display the result in ASCII. I use Maxima notation when I need to do this. [1] https://en.wikipedia.org/wiki/Maxima_(

Maxima[1] can do symbolic computation and display the result in ASCII. I use Maxima notation when I need to do this. [1] https://en.wikipedia.org/wiki/Maxima_(software) https://en.wikipedia.org/wiki/Maxima_(software)