This will help you in several ways. First, it is easy to look down the list of affiliates and think of new ways of working on marketing them. Maybe you will want to put two or three of them together and market them all on one page. Then tell your customers that if they join all three you will throw in a fourth package that you have resell rights for. Second, you can easily either click on a link or cut and paste an address into your web browser to see how you are doing. And you have your username and password right there to cut and paste as well. Percentages in personal training can be absolutely invaluable. However, they need to be incorporated correctly in order to get the benefit out of them. One thing to think about, are percentages necessary for your clients?
Microsoft Excel is a fantastic tool for analyzing scientific data. Microsoft Word is a fantastic tool for writing up scientific research. So surely Microsoft Office is the only software a scientist would ever require beyond that associated with specialist scientific apparatus? Unfortunately, that has never been the case and most university researchers would identify one big problem with the Office suite and that is why it‘s always been difficult to present formulas in Word and Excel. Even when you type a simple fraction like 3/5, it gets presented on a single line. As for Greek symbols like pi...well, that would mean many hours wasted trawling through Excel‘s Insert Symbol menu.