ISO 31-11:1992 was the part of
international standard ISO 31
ISO 31 ( Quantities and units, International Organization for Standardization, 1992) is a superseded international standard concerning physical quantities, units of measurement, their interrrelationships and their presentation. It was revised and ...
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 It was superseded in 2009 by ISO 80000-2:2009 and subsequently revised in 2019 as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
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Mathematical symbols
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. ...
*
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
#00031-11