Find square difference: Difference between revisions

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(→‎{{header|Quackery}}: second method)
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1000 > until ]
1000 > until ]
echo</lang>
echo</lang>

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<pre>501</pre>

==={{header|Using algebra}}===

Noting that a²-b² ≡ (a+b)(a-b), and that in this instance b = a+1.

<lang Quackery> 1000 2 / 1+ echo</lang>


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