Brain'O Calculator

The app provides a powerful calculator which is designed to provide users a unique experience with it's intuitive and attractive UI. All the basic mathematical operations can be carried out with ease and look smarter with the new graphics.

The app also provides an inbuilt which tests one's ability to calculate equations mentally. The app also provides score depending upon various criteria. The difficulty level of the problems keeps increasing as you proceed along with the quiz. The app also shows your highest score, so go ahead and challenge your friends, family and others to get a better score.