EniOken's Jewelry Calculator is a Excel Spreasheet which suggests different price scenarios to help you figure out how much to charge for a piece of jewelry. It is based on a series of parameters which you enter, and the suggestions are based on typical formulas used by artisans.
It requires a spreadsheet program or app compatible with XLS format to run, this is not an independent program.
The Jewelry Calculator is a spreadsheet which comes in XLS (Excel native format) file format. To open it, you can use any app which will read a protected XLS file. It can be opened successfully usingApple's "Numbers" app.