**Arithmetic operators: (+ Addition),(- subtraction), (* multiplication), (/ division),( % modulus)**

**Assignment Operators: =**

**Comparison Operators:**

- == equal to [ echo ( 7 == “7” ) ] Only Data check, if 7 equal 7 otherwise false
- ! = not equal to [ echo (7 != 6) ] if 7 doesn’t equal 6, otherwise false
- === identical to [ echo 6=== “6” ] Data and Data type check. if 6 doesn’t equal 6 or they aren’t same type, otherwise false
- < less than [ echo 3<5 ]
- > greater than [ echo 5>4 ]
- <= less than equal to
- >= greater than equal to

**Bitwise Operator:**

**Binary: **Binary is a 0 , 1 and binary base is a 2.

How to get binary 255

1 Byte ( 8 bits ) | ||||||||||

256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 | ||

8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | ||

2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |

128 | 255 | 1 |

64 | 127 | 1 |

32 | 83 | 1 |

16 | 51 | 1 |

8 | 35 | 1 |

4 | 23 | 1 |

2 | 21 | 1 |

1 | 20 | 1 |

128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 | total=255 |

1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |