TM 5-6675-323-14
Display
Keystrokes
S u m of x values from register
16.0000
R.1
S u m of squares of x values
98.0000
from register R.2
S u m of y values from register
21.0000
R.3
S u m of squares of y values
155.0000
from register R.4
S u m of products of x and y
122.0000
values from register R.5
N u m b e r of entries (n=3)
3.0000
from register R.0
(2) Deleting and correcting data.
(a)
If an incorrect value is keyed
in
and
has
not
yet
been
pressed,
and key in correct value.
press
(b) To change one of the values, or if after pressing q one of the values
was erroneous, correct the accumulations by using
(summation minus) key as
follows:
Key incorrect data pair into X- and Y-registers.
can be used to return a single incorrect data
value to displayed X-register.
to delete incorrect data.
Press
Kev 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
.
I f last data pair (8, 9) in previous example s h o u l d h a v e b e e n ( 8 , 6 ) ,
Example:
correct the accumulation as follows, press:
Display
Keystrokes
Incorrect y value is entered
9.0000
again.
Correct x value is entered
8.
again.
N u m b e r of entries (n) is now
2.0000
two .
13-29
