sexagesimal

(redirected from Base-60)
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Related to Base-60: Sexagesimal notation

sexagesimal

[¦sek·sə¦jez·ə·məl]
(mathematics)
Pertaining to a multiplicity of 60 distinct alternative states or conditions or, simply, a positional numeration system to radix (or base) 60.
References in periodicals archive ?
SET IN STONE Record keepers in ancient Mesopotamia used cuneiform notation to specify numbers in sexagesimal, or base-60.
This means it is based on two arbitrary quantities: the radius of Earth's orbit, which was a random accident of how the solar system fell together, and the definition of the arcsecond--an even more arbitrary unit that stems from the ancient Babylonians' base-60 style of arithmetic, along with their notion that the circle should be divided into 360 degrees because there "ought to be" 360 days in a year.
Ulugh Beg calculated sin(1 [degree]) by an original iterative method using base-60 arithmetic, and his result differs from the value given by modern computers by only 3x[10.