Real constants and functions: Difference between revisions

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(→‎Pascal: standardize, →‎Delphi: shorten and make reference to →‎Pascal: , insert →‎Free Pascal: [reference to →‎Delphi: ])
(→‎Pascal: fix minor inaccuracy)
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base ** exponent</lang>
base ** exponent</lang>
<tt>Exp</tt>, <tt>sqrt</tt>, <tt>ln</tt>, and <tt>exp</tt> return <tt>real</tt> values, but a <tt>complex</tt> value if supplied with a <tt>complex</tt> value.
<tt>Exp</tt>, <tt>sqrt</tt>, <tt>ln</tt>, and <tt>exp</tt> return <tt>real</tt> values, but a <tt>complex</tt> value if supplied with a <tt>complex</tt> value.
<tt>Abs</tt> always returns a value of the same data type as its argument.
<tt>Abs</tt> returns an <tt>integer</tt> value if supplied with an <tt>integer</tt>, otherwise a <tt>real</tt> value.


=={{header|Perl}}==
=={{header|Perl}}==