Category | Price | Seller | Device |
---|---|---|---|
Games | Free | RustyRaven Inc. | iPhone, iPad, iPod |
From children to adults can challenge to it.
Answer ten questions within 60 seconds.
Get a gold medal of the calculation sprinter!
Feature
- Simple operation. Tap numbers and symbols of operations to make a equation.
- Four challenge levels are available.
- The world ranking is waiting for you!