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228
Using the I-Register for Indirect Control
If a number containing a fraction is stored in the I-register, E53
(@ reads only the integer portion of the number. Thus, the I-register
can contain a number as large as 9.999999999, and the
@
operation will still execute. For example:
5.0000
4.000
3.00
Press
Display
9.999999999
9.999999999
o
Display is rounded, but
number maintainsits
original value inside the
calculator.
2
0
9.999999999
Since the HP-67 is now
9.00000000
in FIX mode, executing
8.0000000
the subroutine loop yields
7.000000
the illustration of fixed
6.00000
point notation.
The HP-67 displays
if the number in the I-register
is greater than 9.999999999 when a 53 [ instruction is executed.
For example:
Press
Display
100
B
0
Error
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