TM 5-6675-322-14
Keystrokes
D i s p l ay
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 ) D e l e t i n g a n d c o r r e c t i n g d a t a.
(a) If an incorrect value is keyed in and has not yet been pressed,
press
a n d k e y i n c o r r e c t v a l u e .
(b) To change one of the values, or if after pressing one of the values
was erroneous, correct the accumulations by using (summation minus) key as
f o l l o w s :
Key incorrect data pair into X- and Y-registers.
can be used to return a single incorrect data
v a l u e t o d i s p l a y e d X - r e g i s t e r.
P r e s s
t o d e l e t e i n c o r r e c t d a t a.
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 .
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
Incorrect y value is entered
again.
8.
Correct x value is entered
again.
2.0000
Number of entries (n) is now
two .
3-29
