Wanna train your mental calculation skills? This iPhone web application generates an endless supply of new arithmetic problems, based on random numbers. You can choose the difficulty level that suits you, and try to move up as you get better at it. In the tips section you can learn ways to calculate big numbers in your mind.

Kids can use this application to work on their arithmetic skills for school. For others it can be a fun way to get or keep your mind in shape.

You must be using an iPhone to see the iPhone version of this app. Try it here

added 10 months, 3 weeks ago and filed under education, featured, productivity, fun (Viewed 280 times, 1 so far today). Need help on using these apps? Please read the Help Page.