Having a smartphone immediately provides for you a huge amount of choices for calculators, albeit none of them are really going to tackle your math question - its dependent upon you to evaluate it. However now, on account of Photomath, you'll get some assistance.
The recently propelled application is the world's first "cam mini-calculator," and its not difficult to utilize. Simply point your cell phone's cam towards a mathematical expression and Photomath will consequently show the correct result. Even more terrific, it shows the orderly methodology of how to solve the problem.
As of now, this application supports arithmetic, fractions, powers and roots, and simple linear equations; the makers anticipate including more peculiarities later on. Photomath is a free download and accessible for ios and Windows Phones. Don't stress Android clients, in light of the fact that there's a rendition for you due in early 2015.
ٍSource : PhotoMath website