Geek Fact for March 21st

In 1884, US mathematician George D. Birkhoff was born.

In 1931, Birkhoff’s discovered what is now called the ergodic theorem. Ergodic theory is a branch of mathematics that studies dynamical systems with an invariant measure and related problems.

Learn more at

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Judy Novotny

Judy is a computer veteran with 30 years of experience. She has owned everything from a TRS-80, Apple IIe and various Windows-based PCs. She is currently living in her Apple ecosystem at home consisting of an iPhone, iPad, iMac, MacBook, Apple TV, iPod nano and two Time Capsules. She is a fan of all things mobile since she got her first Palm Pilot in 1999. Check out her iPad app, Number Wizard, in the App Store. Follow her on Twitter @junovotech or at