Also, if you're putting stuff online and want to use mathml but don't care about anything but presentation (i.e. no semantics like invisible multiplication) you should look at asciimath http://www1.chapman.edu/~jipsen/asciimath.html If you're doing online graphics, look at AsciiSVG: http://www1.chapman.edu/~jipsen/asciisvg.html -- Mike Stay staym@clear.net.nz http://www.cs.auckland.ac.nz/~msta039