http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7382449&tstart=0#7382449 I am guessing that each x in your equation is intended to represent multiplication. You are also missing a parenthesis which I put at the end but]]> Feb 12, 2011 5:18:39 AM Feb 12, 2011 5:18:39 AM hanlonr@cox.net 0 http://mathforum.org/kb/thread.jspa?messageID=7381637&tstart=0#7381637 it out better than what I am doing. I would like the variable a to]]> Feb 11, 2011 4:17:36 AM Feb 11, 2011 4:17:36 AM noslowski@comcast.net 1