### Christmas card for my geeky friends

Yes, I posted this last year. There'll be a lot more of that until end of year.

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Repeat from last year. Don't say that I didn't warn you.

This, I loved:

Translation to follow upon request.

BTW, here is the Taylor series expansion for ~~the natural log~~ Euler's constant. Behold:

Substitute "1" for *x* and there you have it.

**Update**: As someone else noticed, the series expansion is for the *root* used in the natural log: e, also know as Euler's number, Euler's constant(not the Euler-Mascheroni constant), or Napier's constant. Sorry for any confusion.

Posted by Physics Geek at December 15, 2007 10:39 AM
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