Density table software: Unit conversion program + conv. table creator, A unit conversion program, GRKda: Keyword Density Analyzer for Windows and more.
Unit Converter EX is a simple and free utility that helps you make easy metric conversion between various units and measurements, including weight, length, volume, area and more. To do your conversion, simply select the type of the units in the selection box and chose units that you would like to do conversion between.
CASC helps calculate recipes for solution preparation regardles of number of compounds used. Built in concentration calculator converts concentrations automatically taking density changes into account thanks to built in database of substances. Solution mixer helps in calculations involving three solutions - two mixed and the resulting one. CASC will help solve almost any solution question you may find in your textbook.