Instant Status Bar Statistics
On the right side of the statistics, you will find a hidden gem of a feature - unless you are a former Excel user.
Select an array of numbers and the sum of the numbers appears in the bar - which you may or may not have noticed. However, if you right-click on the bar, you will see a choice of basic statistical operations to choose from - neat!

In the example below, we have chosen to display the average of the selected range.
