- Developer: Zhenyu Zhang
- Website: Official website
- Release Date: 2018-07-27
- Supports: Game Center,Family Sharing
- Languages: English, Simplified Chinese, Traditional Chinese
- Compatibility: Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.
Summary
## Description
Hi, wanna do some calculting? here is what you need.
Each time we will give you a question, but some of it was missing, maybe a number or maybe an operator, you should find it as soon as possible. It's simple, right?
So, just keep trying, finish as many questions as you can and challenge with your friends.
