This app can help you to increase your addition speed. It displays 2 numbers with answer as options, from which one is correct answer. You need to figure out the correct answer in shortest possible time. Every time you can challenge yourself to find out sum of 10 pair of numbers correctly in minimum no of seconds.
Finding sum of numbers quickly can be very helpful in our day to day life, like when we go for shopping, we can track the total amount of shopping we are doing. Mostly we are dependent on calculators for this purpose, but, we forget that we are gifted by the most powerful calculator which just works with our senses. This app helps you to train yourself to use that powerful calculator inside you.