TM5-6675-326-14
8-6.12.1 Accumulations - Continued
Keystrokes
D i s p l ay
1.0000
5.0000
2.0000
9.0000
3.0000
16.0000
98.0000
21.0000
155.0000
122.0000
3.0000
First pair is accumulated; n = 1
Second pair is accumulated; n = 2
Third pair is accumulated; n = 3
Sum of x values from register R.1
Sum of squares of x values
from register R.2
Sum of y values from register R.3
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.0
8 - 6 . 1 2 . 2 D e l e t i ng and Correcting Data.
a .
If an incorrect value is keyed in and z+ has not yet been
p r e s s e d , p r e s s ~ and key in correct value.
b .
To change one of the values, or if after pressingl~+lone of
the values was erroneous, correct the accumulations by using
z- (summation minus) key as follows:
(1) Key incorrect data pair into X- and Y-registers.
I=]can be used to return a single incorrect data
value to displayed X-register.
( 2 ) P r e s s q
2- to delete incorrect data.
(3) 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.
8-20
