價格：免費
檔案大小：19.8 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
An educational game involving arithmetic and concentration.
You will have to perform the addition / subtraction / multiplication / divison operation with a given number of digits to get the correct answer. The order of the numbers you choose will be the order of the numbers in the calculation.
支援平台：iPhone