BC Calc® software version 4.6 was retired, December 31, 2018, and is no longer available. It has been replaced by the web based version which is available at www.bccalc.com. Supported browsers are Google Chrome, Microsoft Edge, Firefox and Safari. (Internet Explorer is not supported.)
You may use the basic features as an anonymous guest, or register for full access to the program.
Here are other related links
Creating a Custom Stock Scheme
Converting existing BCC files into the BCCx file format