The Dividing Index is simple to design and apply, mounted on the support of a grinding machine by two bearings, and also has two thrust ball bearings and a compensator. The dividing head (DV) can ...

This tells you how many equal parts the whole has been divided into. If we then have 3 of those 8 parts, we would write the 3 on the top. So 3 eighths of our whole flapjack.