Captain Maths: ZeroIn app for iPhone and iPad

-> Captain Maths Series: Bringing games and mathematics together <-

ZeroIn is an educational arcade game that is based on Arithmetic gameplay.
It could teach and train kids to do signed additions (positive and negative numbers), while others can test their skills and speed reaching higher points as the game gets faster and you need to consider more complex operations (using next numbers) to Zero In.

Game features:
- Various difficulty levels
- Simple and clear instructions (just make sure every column adds up to zero)
- Gorgeous graphics (Optimized for Retina Displays)
- Its absolutely free with no ads or In App purchase

*** NOTE: Compatible with iPhone 4s and later, iPad 2 and later and requires iOS 7.0 and later, ***