Fret Specs 4 is a fret spacing calculator for the stringed instrument craftsman and luthier Guitar makers will find this program very handy for custom scale length guitars. You enter the scale length and how many frets and Fret Specs will output the measurements for you in notepad. This can be printed out from notepad . You will see all the fret spacing including the remainders for each fret. The remainder measurements are good for double checking your work and for bridge placement The demo version has the remainder feature disabled. Fret Specs 4 can be purchased for $30.00 through PayPal , and will include updates when we add more features to the program. www.goodnotesoftware.com