價格：免費
檔案大小：8.8 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
To understand economy, you need to know basic math. You must master elementary arithmetic, but also everyday economy using percentages, interest rates, and averages. You can check if your maths knowledge is sufficient with these 16 questions. The app will tell you how you performed, and which areas to train should you not get a perfect score. Good luck!
This app may be used as a teaching aid for roughly ages 9 and up.
支援平台：iPhone, iPad