價格：免費
檔案大小：20 MB
版本需求：需要 iOS 9.1 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
The atom calculator is a tool for calculating the atomic number and the mass number based on numbers of atom components - protons, neutrons, and electrons (or vice versa). In addition, you can define the charge of ions with known numbers of protons and electrons.
支援平台：iPhone, iPad