價格：免費
更新日期：2015-04-19
檔案大小：15.4 MB
目前版本：1.2
版本需求：需要 iOS 6.0 或以上版本。與 iPad 相容。
支援語言：簡體中文, 英語
In ancient times, we expected a artifact, which lightweight , easy to use and calculated accurately;
In the electronic digital age, we created one kind of artifact, which flexible and simple,sounds crisp;
What you're using is the ancient artifact, Classical Abacus.
支援平台：iPad