## Pi/Pie Day

Jay sent this over to me from The Puzzler. It took me a second to get it, but ended up giving me a big smile. Happy Pi Day everyone!

This entry was posted on Monday, March 14th, 2011 at 5:00 am and is filed under problem, trick.
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Happy Half Tau Day!

http://thedailywh.at/2011/03/14/mathematical-of-the-day/

I loved the video. I haven’t thought it all the way through, but it seems like a very persuasive argument for better notation. There should be (probably is) a website that catalogs all such notation and vocabulary blunders in mathematics. The fact that the negative sign and subtraction sign look so similar should be on there. Also renaming the “complex” or “imaginary” numbers.