When calculating Estimate at Completion or in short 'EAC', in a scenario when things are not quite going to plan but you still DO need to stick to a deadline,
you need to consider both CPI and SPI. In this case take note of the
square brackets (or [...]) in the formula. This is the only instance
(among the 50 or so other formulas you will need to know for the exam)
where you officially need to apply square brackets.
Project Management, Business Analysis - tips and useful bits and pieces ...
