價格：免費
更新日期：2013-05-29
檔案大小：34.1 MB
目前版本：2.4
版本需求：需要 iOS 4.3 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Math tool for kids 6-10 years! Learn how numbers work with these 10 super-easy swipe calculators. Get results real-time as you move the number wheels. No waiting, no typing, no typos. Instantly compare calculation results by moving your finger on the wheels. Play with numbers and see how results change when you change the numbers.
Get new Ready-to-Print math exercises and examples at
www.numberrings.com !
- Learn how to add, subtract, multiply and divide two numbers
- See how to add and subtract three numbers
- Notice how fractions work and how they relate to multiplication
- Get accurate results with decimals
- Understand exponential growth
- Understand how micro loans may hurt you
- Save money or make profit with percent calculator
- Understand how much it costs to take a loan from a bank
- Use any screenshot or photo as the background
支援平台：iPhone, iPad