BioLabCalculators

It also includes a colonies counter. The photo of a Petri dish can be directly taken by iPhone camera or imported from the iPhone photo library.
The provided calculators and converters are:
Dilution calculator,
Molarity calculator,
Ligation calculator,
SDS PAG calculator,
Ammonium sulfate calculator,
Bacteria growth calculator,
Nucleic acid OD calculator,
Nucleic acid amount converter,
Protein amount converter
The app contains also the lists of genetic code, protein code and nucleotide ambiguity code.