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$_ = -2;
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print "Absolute value of 5 is: ", abs( 5 ), "\n",
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"Absolute value of -5 is: ", abs( -5 ), "\n",
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"Absolute value of $_: ", abs, "\n\n";
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print "exp( $_ ): ", exp, "\n";
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print "log( 5 ): ", log( 5 ), "\n";
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print "sqrt( 16 ): ", sqrt( 16 ), "\n"; |