Pete,
I believe it is just a choice to cover a limited series of predetermined offset values covering the proper fractions based on 1/5, 1/4, 1/3, and 1/2.
You may try the wishform,
https://www.adobe.com/cfusion/mmform/index.cfm?name=wishform
Pete,
I believe it is just a choice to cover a limited series of predetermined offset values covering the proper fractions based on 1/5, 1/4, 1/3, and 1/2.
You may try the wishform,
https://www.adobe.com/cfusion/mmform/index.cfm?name=wishform