Formula for ? - It's National Pi Day 3/14
It is my favorite day of the year - National Pi Day. Everybody is getting in on the fun including Google and QuickBase. Today Is the 30th Anniversary of Pi Day Here's What to Know About the Mat...
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Very elegant formula and incredible that it was done in the 15th century.
Nice � in your subject line btw. It is difficult to find that character on my iPad during breakfast.