This spreadsheet is used to calculate indexing divisions, for use on a rotary table when a dividing head isn't available and output the data in a DEGS - MIN. format that can be used on a rotary table.
Click on link to view a representative non-functioning Excel spreadsheet. Note: Because of format differences, the displayed spreadsheet does not look exactly the same as it will on your computer.
To download - Open link and click the download tab at the top of the page and follow instructions.
To use - Input the number of teeth. Degees are indexed on the table circumference itself and the Minutes are indexed on the handle. It can generate data for teeth from 2 to 360 degrees although anyone needed a spreadsheet to divide a circle into 2 segments should not be using machine tools.
https://drive.google.com/file/d/0B4Rjw2WCtrGzdlNZZXN5dEJxbk0/view?usp=sharing