Operator is very important part of every programming language. That is series of symbols which is perform specific task. That are capable to perform mathematical operations, comparison of expression, assignment of values etc. Basically operator are based on operands. Operands is a value or variable which are store some values. Let is an example.
#!/usr/bin/perl use warnings; use strict; #Here $number, 1 and 2 is an operand my $number = 1 + 2; print ($number,"\n"); #3 #Here $number and 2 is an operand $number = $number - 2; print ($number,"\n"); #1