Jeweler Calculator, developed by Aleksandr Pankratov, is an Android-based utility tool that aims to simplify the daily work of jewelers. The app offers a range of calculations that can help jewelers save time and effort.

The app features various calculations, such as the required amount of metal for casting waxes, mixing different metal samples, alloying alloys and solders, deadbolt and wire calculations for main chains and bracelets, shank calculations for wedding rings, and the dimensions and weight of the lock (box). Additionally, the app offers a calculation of the water/powder ratio for molds. With this app, jewelers can easily calculate the necessary parameters, making their work easier and more efficient.