TM 5-6675-317-14
Keystrokes
Display
(2) Deleting
(a) If an
press ~ and key
16.0000
98.0000
21.0000
155.0000
122.0000
3.0000
and correcting data.
incorrect value is keyed in and
in correct value.
Sum of x values from register
R.1.
Sum of squares of x values
from register R.2.
Sum of y values from register
Sum of squares of y values
from register R.4.
Sum of products of x and y
values from register R.5.
Number of entries (n=3)
from register R.O.
~ has not yet been pressed,
(b) To change one of the values, or if after pressing
q
one of the values
was erroneous, correct the accumulations by using Z- (summation minus) key as
follows:
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
q
22-
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 Z El .
Example:
If last data pair (8, 9) in previous example should have been (8, 6),
correct accumulation as follows, press
Keystrokes
Display
9.0000
Incorrect y value is entered
again.
8.
2.0000
Correct x value is entered
again.
Number of entries (n) is now
two .
6-29
