While most of us can do math, even the complicated stuff, on our own, using a calculator is usually faster and eliminates a lot of potential errors. You don’t need a desktop model to calculate these days — the Internet is full of calculators that are free for you to use. Here are 100 places where you can go to calculate just about anything and everything. Basic, finances, health & fitness, conversion, mortgage, fun, and everyday calculators here!
For more calcultor and other quick reference sites, try COM Library's Quick Ref.