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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">Is one unit = 1 meter? Or is it finer than that?

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<div><span style="font-size: 10pt;">Possibly relevant:</span>

<div>http://stackoverflow.com/questions/17949796/how-many-unique-values-are-there-between-0-and-1-of-a-standard-float</div>

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<div>http://stackoverflow.com/questions/2978930/how-many-double-numbers-are-there-between-0-0-and-1-0</div>

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