Use Daily Math as a game and develop your math skills.

You solve random operations for as long as you want. Difficulty adapts to your progress so it's engaging at all times.
Children can improve with this game as the engine starts with simple operations and works up in the user's rhytm.
If you finished school but still want to keep your arithmetic in check, benefit from this app as a past time.
If you are a math prodigy, there is no limit. See how far you can get.