# 7: Numeration systems

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Definition:

A number is a quantity.

A numeral is a symbol of representation.

A system of numeration is a set of numerals and a rule for combining them to make numbers.

There have been multiple numeration systems used throughout history and in various cultures.

7: Numeration systems is shared under a CC BY-NC-SA license and was authored, remixed, and/or curated by LibreTexts.