This template may be used to enclose text between two vertical bars (U+007C | VERTICAL LINE), such as to denote the absolute value. It adds padding (of width 0.1 em) on each side inside the bars.
When {{math|{{abs|''x''}} <7}}, the function is positive.
When |x| <7, the function is positive.
The notation {{math|{{abs}}}} means ''absolute value''.
The notation | · | means absolute value.
This template is equivalent to enclosing the text between two {{pipe}}
templates (plus padding of width similar to hair spaces around the argument)
When {{math|{{pipe}} <!-- hair space -->''x'' {{pipe}} <7}}, the function is positive.
When | x | <7, the function is positive.
{{#expr: abs(x)}}
Math templates
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