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100+ google tricks that will save you time in school provides lots of great tips.

181 tips for google users.

Making Greate Photographs Memorable pictures are made using time-tested techniques, methods -- and, yes, even tricks. To help photographers of all stripes up their game, LIFE.com launched a series of "lessons" on photography, focusing on elemental aspects of picture-taking. Focusing on themes like portraits, lighting, composition, and taking travel pictures, these galleries provide simple, straightforward answers to some of the most common questions about "how to make great pictures."

Interesting site, please share with anyone who may be interested.

"Want to learn how to quickly square a number that ends in 5? Or how to tell if a number is divisible by 3? Or maybe you'd like to learn how to calculate square roots by hand? That's the kind of fun and fascinating math tricks and trivia you'll find here at CuriousMath.com."

Ipad tips