Courtesy of TED and Arthur Benjamin:
HT: Craig Newmark
Want to impress your friends? Here are some mental multiplication tricks. And if you're really serious about wanting to beat a calculator, here's the definitive site for what you'll need to know!
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Welcome to the blogosphere's toolchest! Here, unlike other blogs dedicated to analyzing current events, we create easy-to-use, simple tools to do the math related to them so you can get in on the action too! If you would like to learn more about these tools, or if you would like to contribute ideas to develop for this blog, please e-mail us at:
ironman at politicalcalculations
Thanks in advance!
Closing values for previous trading day.
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