Has the introduction from the early 1980s of PC based project management software improved the effe

Understanding the Job in detail, Knowing the Production Rates achievable and the Logic are foremost in Plan development either created using software or by hand.  The benefit with advent of latest softwares is the ease in getting the schedule logic and float (total and free float) calculations done in a jiffy on projects in excess of 2000+ activities. Further the advantage in getting the forecast spreads - Resource, Earnings on the Project customizable to the parametric levels needed on the project is a good value addition. These Softwares leave more time for the planner to get into What if Case Scenarios and detailed Critical Path and Earned Value Analysis rather than spending time on doing the calculations by hand.