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This is a list of numeral systems, that is, writing systems for expressing numbers.
Contents
By type of notation
Numeral systems are classified here as to whether they use positional notation (also known as place-value notation), and further categorized by radix or base.
Standard positional numeral systems
The common names are derived somewhat arbitrarily from a mix of Latin and Greek, in some cases including roots from both languages within a single name.
Negative bases
The common names of the negative base numeral systems are formed using the prefix nega-, giving names such as:
Other
Non-positional notation
All known numeral systems developed before the Babylonian numerals are non-positional.
Trivia
References
List of numeral systems Wikipedia(Text) CC BY-SA