Microsoft Office Tutorials and References
In Depth Information
Figure 14-9:
Click the
Calculate
Now button
to make
Project
perform
calculations
on your
command.
If you change the Calculation mode to Manual, you must click the Calculate
Now button in this dialog box any time you want Project to perform all its
calculations. You also have the choice here of setting different modes for only
the current project or for all open projects.
So why would you choose to use manual calculation? You might want to
make a lot of changes and not have Project take the milliseconds required to
recalculate between each change, slowing down your entry work. You can
put things on manual, make all your changes, and then use the Calculate Now
button to make all the changes at once.
In addition, because even with Change Highlighting on it’s not always easy to
spot all the items that have been recalculated when you make a series of
changes, it might be easier to make all the changes in manual mode, print
your Gantt Chart view, and then recalculate and compare the two. This
approach shows you the cumulative calculations that occurred when all your
changes were made so you can see whether you’re happy with the revised
plan. (This feature is especially useful for trying out what-if scenarios.)
In Project 2007, you can also take advantage of the Multiple Undo feature.
This means you can leave your calculations on automatic, make changes, and
then undo them, thereby undoing the calculations in sequence. For more on
Multiple Undo, see Chapter 10.
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