Most people who have this question want to know how much it might cost them to run a propane powered generator at their home. This is a very good question because there are some significant advantages to using these devices but there are also some disadvantages that you should probably know about.
This date is based on the task's start date, as well as on the late start and late finish dates of predecessor and successor tasks, and other constraints. How Calculated When you first create a task, its late start date is the same as the project finish date minus the task duration.
Let's see how to calculate the difference between the start date and end date columns. For that we need to define a calculated column. 1  Select Calculated Column as type of the field. 2  We will use the date difference function, DATEDIF, with start date and end date to get number of years.