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PhotoMath

PhotoMath, by MicroBlink Ltd., is a neat little utility available from the iOS App Store, and Android Play Store, that can make solving elementary Math homework less of a chore. Besides giving the answer outright, it provides a detailed step-by-step procedure for arriving at the answer.

Try it while the following equation is displayed on a second screen

It does have its limitations though. An equation such as the following is currently unsolvable

Wolfram Alpha makes short work of that equation when you query it using its representation.