this all in one suite has all of our calculators combined into one. gold calculator, diamonds calculator, silver calculator, troy oz conversion tool and the lost wax casting conversion calculator. computes gold, diamonds, silver, sterling, platinum, wax, and casting in kilos, oz, dwt, grams, grains and pure ounces. saves all calculations to file and will print. a must for all jewelry professionals, pawnbrokers, jewelers, refineries, investors and laymen. the latest runtime files are included with the application as well as install and uninstall support. uses virtually no system resources. free fully functional demo: 30-day trial. there is no difference from the demo version and the full version of gold diamond suite. five star awards at ninteen different software sites.