ISO 31-11:1992 was the part of
international standard
international standard is a technical standard developed by one or more international standards organization, standards organizations. International standards are available for consideration and use worldwide. The most prominent such organization ...
ISO 31 that defines ''mathematical signs and symbols for use in physical sciences and technology''. It was superseded in 2009 by ISO 80000-2:2009 and subsequently revised in 2019 as
ISO-80000-2:2019.
Its definitions include the following:
[
]
Mathematical logic
Sets
Miscellaneous signs and symbols
Operations
Functions
Exponential and logarithmic functions
Circular and hyperbolic functions
Complex numbers
Matrices
Coordinate systems
Vectors and tensors
Special functions
See also
*
Mathematical symbols
*
Mathematical notation
Mathematical notation consists of using symbols for representing operations, unspecified numbers, relations and any other mathematical objects, and assembling them into expressions and formulas. Mathematical notation is widely used in mathem ...
References and notes
{{Mathematical symbols notation language
Mathematical symbols
Mathematical notation
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