Category Archives: mathematics

behind the digits

Got an approximation to a real number, and want to know what formula is hidden behind it? Try Plouffe’s Inverter.

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counting the unseen

politechbot.com: AAAS statistician testifies at Milosevic trial in The Hague

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eavesdropping on illumination

Another reason to switch to LCD. (But I’m spoiled by 1600×1200 resolution.)

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hello web!

The newest contributor to my hit-count is a link from Andrea and Friedrich Lohmueller, whose image galleries are worth the visit.

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precision ≠ accuracy

Go get ’em! The LP responds to the notorious infamous “if you buy dope you’re supporting terrorism” spot with this newspaper advertisement. (Thanks to Ananda, who credits Declan McCullagh.) Pet peeve nº 17000: false precision. When you write “boosts . . . … Continue reading

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hyperbolic, baby!

Pretty things: hyperbolic planar tesselations by Don Hatch. Presented in the conformal Poincaré disc mapping, which is the most common; it’s analogous to stereographic projection of a sphere. Another favorite mapping is the half-plane, which has no analogue that I … Continue reading

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activities

One of my friends is thinking of organizing an ‘activities day’ for our circle, and invites me to run a workshop relating to my most visible hobby, mathematical beauty. Okay, I said, but what would we do?

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