New Version!

BSFC version 2
just released:

Features:

Handles any type of solid string material such as gut, nylon and carbon, but also copper, brass, etc., and also includes Savarez and Pyramid, Kürschner and Aquila over-wound string catalogues.
Calculates the string equation based on string length, frequency, diameter, density and tension with the possibility of input from any part of the equation.
Hear the pitches of strings and frets on your computer, and use the program as an instrument tuner.
Calculates frets in any variety of meantine temperament, and includes 8 predefined temperaments from Pythagorean to 1/3 comma meantone.
Meantone fret placement charts based on musical key.
Raise and lower the tuning globally or change the pitch standard from 440 to any pitch of your choice.
Save personalized instrument files and print string and fret charts or save them as HTML files.
Comes with online help and many more new features too numerous to mention.