Perfect for Chemistry students in high school and college chemistry classes. Each Formula is capable of being solved for each variable and is much more useful than a basic reference app.
-Atomic Structure Formulas
-Gases, Liquids, and Solutions
Physics Formula Calculator also available in the market
And for those who want to go pro, Science Formula Calculator Pro is available. It includes the full versions of both Chemistry and Physics Formula Calculators. Just search "Science Formula Calculator Pro" in the market.