Yesterday's post on the minimum wage drew an interesting comment. The commenter's Website, Political Calculations, is well worth visiting. The site offers ". . . the blogosphere's toolchest! Here, easy-to-use, simple calculators are created and presented to do math related to current events, in addition to more traditional analysis."
One tool that I think I'll use the next time I preach to high schools about saving money is "Best and Worst Case Stock Market Investing".