Sight Enhancement Systems SciPlus-2200, User Manual, Page: 20 / 30

Page 16 of 23 version 1.6
Statistical Operations
The SciPlus-2200 performs statistical operations on a table of up to 99 entries. Note that most statistical
operations with the SciPlus-2200 use the soft keys
A
-
D
.
KEY NAME DESCRIPTION
Add Data Point in
Stats Register
Adds the current value into the statistics table. If pressed at the end
of an expression, the expression is solved, and the result added. Note
that if a value already exists in the table, it will be added a second time.
e.g.:
2
Σ
+ 3
Σ
+ 5
Σ
+ 3
will create a table (2, 3, 5, 3)
Display Statistics
Soft Keys
This key causes the statistics soft keys to be displayed. Note that there
are two sets. Pressing this
2
nd
Σ a second time will bring up the
second set of soft keys. A third time will disable the soft keys.
Soft keys
A
-
D
are used to perform various statistical operations. Statistics soft keys are shown on the
opposite page. Note that μ Σ(x) Σ(x
2
) σ σ
2
and M can all be used in expressions.
+
+