Talk:Even or odd: Difference between revisions
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(added definition of odd/even numbers. ~~~~) |
(→definition of even & odd numbers: added comments about odd numbers vs. odd integers., also added another definition. ~~~~) |
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== definition of even & odd numbers == |
== definition of even & odd numbers == |
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This may be frivolous/trivial, but since the task is to determine if |
This may be frivolous/trivial, but since the task is to determine if an integer is odd or even, a simple definition of an odd/even number could be in order. |
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<br>The definition (below) defines an ODD NUMBER, and goes further than limiting the definition to an ODD INTEGER: |
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<br><br>From MathWorld: |
<br><br>From MathWorld: |
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<br><br>An odd number is an integer of the form n=2k+1 where k is an integer. |
<br><br>An odd number is an integer of the form n=2k+1 where k is an integer. |
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<br><br>Integers which are not odd are called even. |
<br><br>Integers which are not odd are called even. |
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<br><br>The above definition has the advantage that it isn't dependent upon its (say, internal binary) representation (or any base, for that matter), although that is one method to determine evenness/oddness. |
<br><br>The above definition has the advantage that it isn't dependent upon its (say, internal binary) representation (or any base, for that matter), although that is one method to determine evenness/oddness. |
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<br><br>I've also seen the definition that an odd number is an integer, that when divided by two, the absolute value of the remainder is (positive) unity. |
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<br>An even number ... the remainder is zero. |
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<br>[[User:Gerard Schildberger|Gerard Schildberger]] 00:46, 16 March 2012 (UTC) |