I have a few database tables with which I am working into a Wordpress plugin. I need help completing the infrastructure (tying up loose ends) that I am building which will allow registered users to modify the tables. Here are the things that I need done... 1) Output values that are numerical into a format like ##,###,### that contains commas. 2) Calculate values for two numerical fields based on user input into the other fields. So if user inputs the number 1 into columns A and B, then...