TM 5-6675-313-14
Keystrokes
Display
16.0000
Sum of x values from register
R.1.
98.0000
Sum of squares of x values
from register R.2.
21.0000
Sum of y values from register
155.0000
Sum of squares of y values
from register R.4.
122.0000
Sum of products of x and Y
values from register R.5.
3.0000
Number of entries (n=3)
from register R.0.
(2) Deleting and correcting data.
(b) To change one of the values, or if after pressing B one of the values
;~;l;;[oneous, correct the accumulations by using z- (summation minus) key as
Key incorrect data pair into X- and Y-registers.
m
can be used to return a single incorrect data
value to displayed X-register.
Press •~-
to delete incorrect data.
Key in correct values for x and y. If one value of an
(x, y) data pair is incorrect, both values must be
deleted and reentered.
press X R.
Example:
If last data pair (8, 9) in previous example should have been (8, 6),
correct the accumulation as follows, press
Keystrokes
Display
9.0000
8.
2.0000
Incorrect y value is entered
again.
Correct x value is entered
again.
Number of entries (n) is now
two l
6-29
