HP -22S Owner's Manual page 121

Make sure
P=
(X-~)
x
(Y-Y)..;.n
is the current equation. Then:
I EVALI
6 I INPUT I 3 I INPUT I
ISTOI
c
I EVALI
7
I
INPUT I 4 I INPUT I
ISTOIG
c
I EVALI
8 I INPUT II INPUT I
ISTOIG
c
I EVALI
9 I INPUT I 5 I INPUT I
ISTOIG
c
I EVALI
I INPUT I 6 I INPUT I
ISTOIG
c
IRCLI
c
P=0.5040
C=0.5040
P=0.0640
P=0.0640
P=-0.0160
P=0.1440
P=0.3840
C= 1.0800
Evaluates the equation.
Stores value into
C.
Evaluates the equation.
Adds 0.064 to contents
of
C.
Calculates P, accumu-
lates C for 3rd point.
Calculates
P,
accumu-
lates C for 4th point.
Calculates and accu-
mulates C for 5th
point.
Recalls C, the
covariance.
8: Additional Examples 121