| Version | 1.0 |
|---|---|
| Publisher | Yonggao Yang |
| Release date | Dec 19, 2013 |
| Date added | Dec 10, 2013 |
| Os requirements | iOS |
| Requirements | Compatible with iPhone 4. iTunes account required. |
| Total downloads | 0 |
| Price | $0.99 |
This app helps you practice 1-digit, 2-digit, and 3-digit integer calculation (+, -, x, /) without using pen and paper. It can assist you to build stronger math brain. It is also a tool you can use to kill time while waiting for your airplane, train, bus, etc.
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