DataPro

aPro is one of the most comprehensive digital resources with information on chemical compounds and elements that you can find. The incredible DataPro database has all kinds of information on more than 3,000 chemical compounds and elements, so it's an invaluable resource for students, professors, and professionals working in chemistry or science. In this super comprehensive app, you can find all kinds of things, from a copy of the classic periodic table to a comprehensive converter to which you can add your own personalized units of measurement. There's also a detailed index of characteristics for tons of compounds, both organic and inorganic; critical constants; a calculator for thermal diffusivity in gases, liquids, and solids; and a viscosity calculator, among many other things. In addition to all these useful resources, DataPro also has an extensive section with simplified information, perfect for looking things up quickly.