NOTE: The following methods return only the integer part of the result. No fractions, decimals, or remainders will be returned.
In binary, just shift[?] one place to the right. (Example: 1101001 changes to 110100)
The following algorithm is for decimal. However, it can be used as a model to construct an algorithm for taking half of any number N in any even base.
If first digit is  Even  Even  Even  Even  Even  Odd  Odd  Odd  Odd  Odd 

And second digit is  0 or 1  2 or 3  4 or 5  6 or 7  8 or 9  0 or 1  2 or 3  4 or 5  6 or 7  8 or 9 
Write  0  1  2  3  4  5  6  7  8  9 
Example: 1738/2=?
Write 01738. We will now work on finding the result.
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