Two's complement: Difference between revisions
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=={{header|Quackery}}==
Ways of calculating the two's complement of an integer in Quackery include <code>negate</code>, <code>~ 1+</code>,
These are demonstrated as a dialogue in the Quackery shell.
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/O> -1 *
...
Stack: 37
/O> 0 swap -
...
Stack: -37
/O> 0 swap -
...
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