String (without digits) is converted to number during the math operation

    


#!/usr/bin/perl -w

print "Eleven" + 0,  "\n";

1.	Concatenating a number and a string
2.	Adding number to a string
3.	String is converted to a number automatically
4.	How Strings Are Converted to Numbers
5.	What happens if we try and join a number to a string?
6.	Converting Strings to Numbers
7.	The result when these two strings are compared depends on whether a string or integer comparison is being performed.
8.	String (with digits) is converted to number during the math operation

String (without digits) is converted to number during the math operation : Casting « Data Type « Perl