If you are a user of FileMaker Pro then this video teaches you how to use calculation and summary fields in it while making new files. In Filemaker you can create a various kind of fields that you want your file to contain. In Filemaker a calculation is a data that gets computed depending up on the formula that is set in the Filemaker database settings. Calculations are very critical in file management. Open the Manage Database and there you can find some of the calculation fields. There in the file name field you can see that the Filemaker chooses a value for the file name automatically from the first name and second name and concatenates it. In this same manner you can create other calculation fields that gives you a summary or computes something for you automatically as shown in this video. This video shows how to use FileMaker Pro and use calculation and summary fields in it.