Marking holes on the flanges with a caliper

In the manufacture of metal structures often a need for dividing circumferences at an equal number of parts. The simplest case - marking holes in the flanges. Proposed Excel spreadsheet allows to simplify the process of manual counting. The yellow table cell, enter the diameter of the circle and the number of parts into which you want to divide a circle. Gets the length of the chord (divorce legs compasses). Kern starting point and from it are marching compass of the divisible circle. Each step - the new center of the hole.