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For example, suppose you want to reduce the value in A(15) by the number in the
X–register (3, displayed). Press
display.
A
T
Z
Y
X
Recall Arithmetic
Recall arithmetic uses
arithmetic in the X–register using a recalled number and to leave the result in the
display. Only the X–register is affected.
New x = Previous x {+, –, ×, ÷} Variable
For example, suppose you want to divide the number in the X–register (3,
displayed) by the value in A(12). Press
still in A. Recall arithmetic saves memory in programs: using
instruction) uses half as much memory as
A
T
Z
Y
X
Example:
Suppose the variables D, E, and F contain the values 1, 2, and 3. Use storage
arithmetic to add 1 to each of those variables.
File name 33s-E-Manual-1008-Publication(1st).doc
Printed Date : 2003/10/8
e Ã
15
t
z
y
3
h Ù
h Ã
,
12
t
z
y
3
Size : 13.7 x 21.2 cm
A. Now A = 12, while 3 is still in the
A
Result: 15
12
that is,A
T
t
Z
z
Y
y
X
3
h ¸
,
, or
h ¯
A. Now x = 0.25, while 12 is
h
Ù
A,
(two instructions).
A
12
t
T
z
Z
Result: 3
Y
y
that is, x 12
0.25
X
Storing Data into Variables
Page : 386
3
x
h ¯
to do
h Ù
A (one
12
3–5
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