The opposite of expanding a folder is Collapsing a folder. Hope I helped :)
While the reader of a pie chart can clearly see which categories dominate, it can be difficult to see categories that occupy only a small percentage of the chart. This problem becomes worse if there are many small categories in the chart. Labeling the categories can also be difficult.
Answer:
The answer is : When there is a need to copy a formula and have the references update based on the new location
Explanation:
<em>I often use this function in any spreadsheet document. Imagine, you have thousands of data in a single sheet. And you inserted one row or column. Normally, you have to update EACH CELL's formula. Imagine the work load and the effort you need to exert. But when the single cell updates all the cell's reference, formula will be affected and you don't need to re update all the cells. It saves you time and effort and worries.</em>
