Do NOT cheat, but Wolfram Alpha can be extremely helpful for LEARNING. If you just use output and do not learn you will just make your situation worse.
Math is beautiful, it is usually rationality in an uncertain world. Find the patterns and enjoy them.
www.artofproblemsolving.com is pretty much the largest math community for [contest] math. they cover material of a huge range. the people on the forums might be a bit intimidating, though.