Following table shows all the arithmetic operators supported by C#. Assume variable **A** holds 10 and variable **B** holds 20, then:

Operator | Description | Example |
---|---|---|

+ | Adds two operands | A + B will give 30 |

- | Subtracts second operand from the first | A - B will give -10 |

* | Multiplies both operands | A * B will give 200 |

/ | Divides numerator by de-numerator | B / A will give 2 |

% | Modulus Operator and remainder of after an integer division | B % A will give 0 |

++ | Increment operator increases integer value by one | A++ will give 11 |

-- | Decrement operator decreases integer value by one | A-- will give 9 |

Try the following example to understand all the arithmetic operators available in C#:

using System; namespace OperatorsAppl { class Program { static void Main(string[] args) { int a = 21; int b = 10; int c; c = a + b; Console.WriteLine("Line 1 - Value of c is {0}", c); c = a - b; Console.WriteLine("Line 2 - Value of c is {0}", c); c = a * b; Console.WriteLine("Line 3 - Value of c is {0}", c); c = a / b; Console.WriteLine("Line 4 - Value of c is {0}", c); c = a % b; Console.WriteLine("Line 5 - Value of c is {0}", c); c = a++; Console.WriteLine("Line 6 - Value of c is {0}", c); c = a--; Console.WriteLine("Line 7 - Value of c is {0}", c); Console.ReadLine(); } } }

When the above code is compiled and executed, it produces the following result:

Line 1 - Value of c is 31 Line 2 - Value of c is 11 Line 3 - Value of c is 210 Line 4 - Value of c is 2 Line 5 - Value of c is 1 Line 6 - Value of c is 21 Line 7 - Value of c is 22

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