Powerful Calculators for Common Chemistry Problems

ChemTrix for iPhone

ChemTrix for iPhone is the best chemistry calculator available for iOS. Since August, 2012, it has been downloaded in excess of 35,000 times. It reached No. 1 in the Reference category of the App Store in six countries, including China. It peaked at No. 5 in the United States and No. 4 in Canada. It maintains a 4.5-star rating across the board.

Enter a formula, and ChemTrix calculates:

Empirical formula
Molar mass (molecular weight)
Monoisotopic (exact) mass
Most probable mass
Isotopic mass distribution
Percentage composition by mass
Mass-moles-molar mass relationships (including unit conversions)
Moles-volume-concentration relationships (including unit conversions)

ChemTrix features:

Quick, simple, and accurate formula entry using natural chemical syntax
A purpose-built keypad, including programmable buttons for even more flexibility and speed
Over thirty pre-programmed organic groups
Over forty pre-programmed polyatomic ions
A history of all entered formulae, any of which can be incorporated as fragments into new formulae
User-defined abbreviations for any formulae
Detailed listings of the properties of all the elements in the periodic table, including electronic configurations, isotopes, electronegativities, and more