Dyadic rational
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In mathematics, a dyadic rational or binary rational is a number that can be expressed as a fraction whose denominator is a power of two. For example, 1/2, 3/2, and 3/8 are dyadic rationals, but 1/3 i
Kitchen weights measuring dyadic fractions of a pound from 2 lb down to 1/64 lb (1/4 oz)
Inch
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The inch is a unit of length in the British Imperial and the United States customary systems of measurement. It is equal to 1/36 yard or 1/12 of a foot. Derived from the Roman uncia, the word inch is
Dyadic rational
…of weights and measures are based on the idea of repeated halving, which produces dyadic rationals when measuring fractional amounts of units. The inch is customarily subdivided in dyadic rationals rather than using a decimal subdivision. The customary divisions of the gallon into half-gallons, quarts…
A measuring tape with inches
A fire hydrant marked as 3-inch
Mid-19th-century tool for converting between different standards of the inch
Set of gauge blocks from 1919