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214
Controlling the I-Register
To recall a number from the I-register into the displayed X-register,
you use
(Rc1):
Press
Display
0
7.00
The numberstored in I is
recalled.
Exchanging x and I
In a manner similar to the
and
operations, the [ (xx1) oper-
ation exchanges the contents of the displayed X-register with those of
the I-register. For example, key the number 2 into the displayed
X-register and exchange the contents of the X-register with those of
the I-register now:
Press
Display
2
(2.
0 (xx1)
7.00
Contents of X-register
and I-register exchanged.
When you pressed (xx1], the contents of the stack and the I-register
were changed...
... from this...
... to this.
T
0.00
T
0.00
z
0.00
Z
0.00
Y
7.00
Y
7.00
X
2.00
Display
X
7.00
Display
3
[7.00 |1
(200 |1
To restore the X-register and I-register contents to their original
positions:
Press
Display
=
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