Some people are good with words and numbers, some with neither, and some with one or the other. I’m OK with words, but I’m a near total failure with numbers. I can add, and sometimes multiply, but subtraction and division are beyond me. That’s why I need a site like Calculator.com. This site has a calculator for every situation — scientific, financial, mortgage, distance, etc.
POP-UP WARNING: I received a comment to this post saying this site has pop-up ads. I use the Google toolbar with pop-up blocker, and I get zero pop-ups here. I still think it’s a worthwhile site, but if you don’t have a pop-up blocker, click at your own risk…