According to Otto Neugebauer, the origins of sexagesimal are not as simple, consistent, or singular in time as they … See more

The sexagesimal system as used in ancient Mesopotamia was not a pure base-60 system, in the sense that it did not use 60 distinct symbols for its digits. Instead, the cuneiform digits used ten as a sub-base in the fashion … See more

In Hellenistic Greek astronomical texts, such as the writings of Ptolemy, sexagesimal numbers were written using Greek alphabetic numerals, with each sexagesimal digit being treated as a distinct number. H… See more

In the sexagesimal system, any fraction in which the denominator is a regular number (having only 2, 3, and 5 in its prime factorization) may be expressed exactly. Shown here are all fractions of this type in which the d… See more

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• Ifrah, Georges (1999), The Universal History of Numbers: From Prehistory to the Invention of the Computer, Wiley, ISBN 0-471-37568-3.
• Nissen, Hans J.; Damerow, P.; Englund, R. (1993), Archaic Bookkeepi… See more

• "Facts on the Calculation of Degrees and Minutes" is an Arabic language book by Sibṭ al-Māridīnī, Badr al-Dīn Muḥammad ibn Muḥammad (b. 1423). This work offers a very detailed treatment of sexagesimal mathematic… See more