FAQ

What is the Duration of i-j?
Duration of i-j is the expected time of activity i-j. Duration of i-j is usually measured using the Day for Time. Note that the value of Duration of i-j is always positive.
Can the Duration of i-j be negative?
No, the Duration of i-j, measured in Time cannot be negative.
What unit is used to measure Duration of i-j?
Duration of i-j is usually measured using the Day[d] for Time. Second[d], Millisecond[d], Microsecond[d] are the few other units in which Duration of i-j can be measured.
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