This 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.