C supports a rich set of built-in operators we have already used several of them,such as =,+.-,*,& and <.an operator is a symbol that tells the computer to perform certain mathematical or logical manipulations.operator are used in programs to manipulate data and variables.they usually forma part of the mathematical or logical expressions.
There are following operators in c programming
1. Arithmetic Operator
2. Relational Operator
3. Logical Operator
4. Assignment Operator
5. Increment and Decrement Operator
6. Conditional Operator
7. Bitwise Operator
8. Special Operator
The above all operator discribe into details click on next button and read next arithmetic operator in the tutorials.