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* In [[Perl]], the sigils <TT>$</TT>, <TT>@</TT>, <TT>%</TT>, and <TT>&</TT> indicate [[scalar (computing)|scalar]], [[array]], [[hash]], and [[subroutine]] variables, respectively.
* In [[spreadsheet]]s variables can refer to cells (e.g. <code>$A$2</code>), named ranges, or values in associated source code or functions.
==In source code ==
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