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The mabs template wraps its argument in two pipe marks. These are used to delimit an absolute value or modulus function in mathematics.
The template if designed for use in the {{math}} template and avoids having to use two {{!}} marks and makes the meaning more clear.
Usage
Use this to wrap an expression. For example:
We know that {{math|1={{mabs|''a''}} ≥ 0}}.
produces:
We know that |a| ≥ 0.
See also