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5
CONTINUED
HE KEYBOAR
V CTOR KEYS
ACCUMULATE
-
: subtracts the contents of the X register from
the original contents of ( -t-)
f
and, simultaneously, sub-
tracts the contents of the V register from the original con-
tents of (
+
)e. The differences are entered into the (
+
)
f
and ( -l-)
e
registers respectively; the contents of X and Y
remain unchanged.
(+
)e
-
y
~
< +>e
(+
)f
-
X
~
(+
)f
RCL: recalls the contents of (
+
)
f
to the X register and the
contents of ( t-)
e
to the V register. The contents of (
+
)
f
and (
+
)
e
remain unchanged.
< +>e
~V
(+
)f
~X
EXAMPLE:
(a)
:
Vector addition
}fx+
3y)
+ (4x+ 5y)-
(3x 6y)
==
3x+
14y
SWITCH:
FIXED POINT
SET: DECIMAL DIGITS to 3
STEP
1
2
3
4
5
KEY
CLEAR
3
t
2
ACC
+
6
5
7
t
8
4
9
ACC
+
10
6
11
C
HG SIGN
12
t
13
3
14
ACC-
15
RCL
DISPLAY:
(y)
I '-1.
NOTES
must be used to clear
(+)e
and
(+
)f
y
is entered before x
0 -t-3 --=3
~
(+)
e
0
+ 2-
2
~
(+
)f
3
-t- 5:
8
~
<+)
e
2+4=--6
~
(-r)
f
8
-
(
6)
-
14
~
<+)
e
6 3-3
~
(+)
f
(+)
e
~
Y
(+)
f
~X
~
Y
(x)
3.
~
.Y.
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