:
| Symbol | Format | Data |
|---|---|---|
| : | Code Point |
U+003A |
| TeX |
: |
|
| SVG |
In math, the colon symbol has several uses, depending on the context:
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In set theory, the colon symbol is used to represent a “such that” statement. Typically, the symbol is used in an expression like this one, which defines the set of complex numbers:
In plain language, this means “the set of elements in the form such that and belong to the set of real numbers and ”.
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In algebra, the colon symbol is used to represent a ratio. Typically, the symbol appears in an expression like this:
In plain language, this means the ratio of to .
The semi colon symbol is used in programming languages as a line terminator.
The colon symbol is used in math to denote a condition for a statement. The symbol can be read as "such that" in a math expression.