Create a easy and understandable pdf document that describe the data flow and calculation behind an excel file. The excel file is a simple one page document to generate invoices. You should be able to use Skype in speak in English or Spanish. I prefer a fixed quote, but I will consider a hourly rate as well. ------------------------------------------ Added 11 JUL 2012, 5:18 AM EDT The project is for one of my old customers, that I can't attend due to excessive workload. The plan is to have an ongoing relationship, and eventually hand the customer to you. Desired Skills: System Analysis basic math excel Keywords: Other IT & Programming