Calculate Forward and Backward Passes in a Network Diagram

How do you calculate starts and finishes for your project activities un a network diagram?

If you are using project scheduling software to perform the calculations—the software does the work for you. However, if you are planning taking the PMP® exam you will need to know how to perform these calculations  on your own for the test.

There are two methods to calculate calculate forward and backwards passes in a network diagram.  One of these methods is easier to learn and use if you are taking the PMP exam.  The other method is more applicable in real world situation.  Download the PDF document Two Methods to Calculate the Forward and Backwards Passes in a Network at the at the top of the post.  You will to learn both methods to calculate starts and finishes in a network diagram.

Which Method is Best?

The two ways to calculate your early starts and finishes. One is the Zero Method and the other is the One Method.  These titles refer to the early start number used.   Both methods can calculate project scheduling in a network diagram. And you should really understand both methods because they use different assumptions.  However, if you are planning to take the PMP exam, you will want to know how to use the Zero Method.

Receive Training from Experts on How to Pass the PMP Exam

If you are thinking about taking the PMP exam, know it can be challenging.  To hone in on exactly what’s on the exam, and to uncover strategic ways to move through the complex questions that are asked on it, it’s best to enroll in an exam prep course like the one we offer here at RMC.  If you prefer to study on your own, consider RMC’s Exam Prep Book.   Our prep book is also a great reference tool if you already have your PMP.