The statistics screen presents various calculations based on pairs of
statistics data.

Overview
Statistics list view
Edit list
Sum
Mean
Linear regression
Standard deviation
Permutations/Combinations
The Statistics 'Permutations/Combinations' screen presents the the following calculations based on
the 2 most recent entries on the main screen:
- X value is the current value in the main screen, shown for reference.
- Y value is the value of the top stack element.
- P(x,y) is the number of arrangements of groups of X items that can be
found in a population of Y items. Different item orders within the
group of X items is counted as a discrete arrangement.
- C(x,y) is the number of sets of groups of X items that can be
found in a population of Y items. Different item orders within the
group of X items not counted as a discrete set.
(c) 2005 RarM_Software