When PhotoMath was introduced on Android last year, it brought a magical way of solving math problems to your phone. Point the camera to a printed (not handwritten) math problem, and PhotoMath would not only give you the solution, but also the step-by-step process to get to that answer. As I said, magical.

Along the way, PhotoMath has added support for more math problems, but the app has always looked and functioned the same way. That changes with version 2.0, which is accessible through the private beta Google+ group testing. The new version has a fully revamped interface with a side menu and a new keyboard to manually enter any equation or expression.

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