What makes PERT and CPM useful is that rather than a checklist of what needs to be done, they create a map with a visual flow. Both use a diagram to show the project's requirements and deadlines.

Critical Path Method, or CPM, developed around the same time as PERT. Initially, this method was intended to organize large-scale industrial projects, and it is especially useful in construction ...

The Program Evaluation and Review Technique (PERT) is a widely used method for planning and coordinating large-scale projects. As Harold Kerzner explained ...