• # Operators

Logical operators in programming are like a set of tools that help us decide what to do depending on how things look. Logical operators tell the computer to do something based on how two different things compare.

• The addition operator returns the sum of two variables.

• #### Php

##### Example of addition operator in php.
``````<?php
\$age = 20;

print(\$age + 1); // 21
``````
• #### Javascript

##### Example of addition operator in javascript.
``````var age = 20;

console.log(age + 1); // 21
``````
• #### Python

##### Example of addition operator in python.
``````age = 20

print(age + 1) # 21
``````
• #### Dart

##### Example of addition operator in dart.
``````void main() {
var age = 20;

print(age + 1); // 21
}``````
• #### Go

##### Example of addition operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age + 1) // 21
}
``````
• ## Subtraction Arithmetic Operators

• The subtraction operator returns the difference of two variables.

• #### Php

##### Example of subtraction operator in php.
``````<?php
\$age = 20;

print(\$age - 2); // 18
``````
• #### Javascript

##### Example of subtraction operator in javascript.
``````var age = 20;

console.log(age - 2); // 18
``````
• #### Python

##### Example of subtraction operator in python.
``````age = 20

print(age - 2) # 18
``````
• #### Dart

##### Example of subtraction operator in dart.
``````void main(){
var age = 20;

print(age - 2); // 18
}``````
• #### Go

##### Example of subtraction operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age - 2) // 18
}
``````
• ## Multiplication Arithmetic Operators

• The multiplication operator returns the product of two variables.

• #### Php

##### Example of multiplication operator in php.
``````<?php
\$age = 20;

print(\$age * 3); // 60
``````
• #### Javascript

##### Example of multiplication operator in javascript.
``````var age = 20;

console.log(age * 3); // 60
``````
• #### Python

##### Example of multiplication operator in python.
``````age = 20

print(age * 3) # 60
``````
• #### Dart

##### Example of multiplication operator in dart.
``````void main(){
var age = 20;

print(age * 3); // 60
}``````
• #### Go

##### Example of multiplication operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age * 3) // 60
}
``````
• ## Division Arithmetic Operators

• The division operator returns the quotient of two variables.

• #### Php

##### Example of division operator in php.
``````<?php
\$age = 20;

print(\$age / 2); // 10
``````
• #### Javascript

##### Example of division operator in javascript.
``````var age = 20;

console.log(age / 2); // 10
``````
• #### Python

##### Example of division operator in python.
``````age = 20

print(age / 2) # 10
``````
• #### Dart

##### Example of division operator in dart.
``````void main(){
var age = 20;

print(age / 2); // 10
}``````
• #### Go

##### Example of division operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age / 2) // 10
}
``````
• ## Modulus Arithmetic Operators

• The modulus operator returns the remainder of two variables.

• #### Php

##### Example of modulus operator in php.
``````<?php
\$age = 20;

print(\$age % 9); // 2
``````
• #### Javascript

##### Example of modulus operator in javascript.
``````var age = 20;

console.log(age % 9); // 2
``````
• #### Python

##### Example of modulus operator in python.
``````age = 20

print(age % 9) # 2
``````
• #### Dart

##### Example of modulus operator in dart.
``````void main(){
var age = 20;

print(age % 9); // 2
}``````
• #### Go

##### Example of modulus operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age % 9) // 2
}
``````
• ## Exponentiation Arithmetic Operators

• The exponentiation operator returns the power of two variables.

• #### Php

##### Example of exponentiation operator in php.
``````<?php
\$age = 2;

print(\$age ** 3); // 8
``````
• #### Javascript

##### Example of exponentiation operator in javascript.
``````var age = 2;

console.log(age ** 3); // 8
``````
• #### Python

##### Example of exponentiation operator in python.
``````age = 2

print(age ** 3) # 8
``````
• #### Dart

##### Example of exponentiation operator in dart.
``````import "dart:math";

void main(){
var age = 2;

print(pow(age, 3)); // 8
}``````
• #### Go

##### Example of exponentiation operator in go.
``````package main

import (
"fmt"
"math"
)

func main() {
var age float64 = 2

fmt.Println(math.Pow(age, 3)) // 8
}
``````
• ## Equal Comparison Operators

• The equal operator checks if two variables are equal value.

• #### Php

##### Example of equal operator in php.
``````<?php
\$age = 20;

print(\$age == 20); // true
``````
• #### Javascript

##### Example of equal operator in javascript.
``````var age = 20;

console.log(age == 20); // true
``````
• #### Python

##### Example of equal operator in python.
``````age = 20

print(age == 20) # True
``````
• #### Dart

##### Example of equal operator in dart.
``````void main(){
var age = 20;

print(age == 20); // true
}``````
• #### Go

##### Example of equal operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age == 20) // true
}
``````
• ## Equal Type Comparison Operators

• The equal type operator checks if two variables are equal value and type.

• #### Php

##### Example of equal type operator in php.
``````<?php
\$age = '20';

print(\$age === '20'); // true
``````
• #### Javascript

##### Example of equal type operator in javascript.
``````var age = '20';

console.log(age === '20'); // true
``````
• #### Python

##### Example of equal type operator in python.
``````age = '20'

print(age == '20') # True
``````
• #### Dart

##### Example of equal type operator in dart.
``````void main(){
var age = '20';

print(age == '20'); // true
}``````
• #### Go

##### Example of equal type operator in go.
``````package main

import "fmt"

func main() {
var age string = "20"

fmt.Println(age == "20") // true
}
``````
• ## Not Equal Comparison Operators

• The not-equal operator checks if two variables are not equal value.

• #### Php

##### Example of not-equal operator in php.
``````<?php
\$age = 20;

print(\$age != 18); // true
``````
• #### Javascript

##### Example of not-equal operator in javascript.
``````var age = 20;

console.log(age != 18); // true
``````
• #### Python

##### Example of not-equal operator in python.
``````age = 20

print(age != 18) # True``````
• #### Dart

##### Example of not-equal operator in dart.
``````void main(){
var age = 20;

print(age != 18); // true
}``````
• #### Go

##### Example of not-equal operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age != 18) // true
}
``````
• ## Not Equal Type Comparison Operators

• The not-equal type operator checks if two variables are not equal value and type.

• #### Php

##### Example of not-equal type operator in php.
``````<?php
\$age = 20;

print(\$age !== '20'); // true
``````
• #### Javascript

##### Example of not-equal type operator in javascript.
``````var age = 20;

console.log(age !== '20'); // true
``````
• #### Python

##### Example of not-equal type operator in python.
``````age = 20

print(age != '20') # True
``````
• #### Dart

##### Example of not-equal type operator in dart.
``````void main(){
var age = 20;

print(age != '20'); // true
}``````
• #### Go

##### Example of not-equal type operator in go.
``// NA``
• ## Greater Than Comparison Operators

• The greater-than operator checks if the value of the first variable is greater than the second.

• #### Php

##### Example of greater-than operator in php.
``````<?php
\$age = 20;

print(\$age > 18); // true
``````
• #### Javascript

##### Example of greater-than operator in javascript.
``````var age = 20;

console.log(age > 18); // true``````
• #### Python

##### Example of greater-than operator in python.
``````age = 20

print(age > 18) # True``````
• #### Dart

##### Example of greater-than operator in dart.
``````void main(){
var age = 20;

print(age > 18); // true
}``````
• #### Go

##### Example of greater-than operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age > 18) // true
}
``````
• ## Less Than Comparison Operators

• The less-than operator checks if the value of the first variable is less than the second.

• #### Php

##### Example of less-than operator in php.
``````<?php
\$age = 20;

print(\$age < 21); // true
``````
• #### Javascript

##### Example of less-than operator in javascript.
``````var age = 20;

console.log(age < 21); // true
``````
• #### Python

##### Example of less-than operator in python.
``````age = 20

print(age < 21) # True``````
• #### Dart

##### Example of less-than operator in dart.
``````void main(){
var age = 20;

print(age < 21); // true
}``````
• #### Go

##### Example of less-than operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age < 21) // true
}
``````
• ## Greater Than or Equal Comparison Operators

• The greater-than or equal-to operator checks if the value of the first variable is greater than or equal to the second.

• #### Php

##### Example of greater-than or equal-to operator in php.
``````<?php
\$age = 20;

print(\$age >= 20); // true
``````
• #### Javascript

##### Example of greater-than or equal-to operator in javascript.
``````var age = 20;

console.log(age >= 20); // true``````
• #### Python

##### Example of greater-than or equal-to operator in python.
``````age = 20

print(age >= 20) # True``````
• #### Dart

##### Example of greater-than or equal-to operator in dart.
``````void main(){
var age = 20;

print(age >= 20); // true
}``````
• #### Go

##### Example of greater-than or equal-to operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age >= 20) // true
}
``````
• ## Less Than or Equal Comparison Operators

• The less-than or equal-to operator checks if the value of the first variable is less than or equal to the second.

• #### Php

##### Example of less-than or equal-to operator in php.
``````<?php
\$age = 20;

print(\$age <= 20); // true
``````
• #### Javascript

##### Example of less-than or equal-to operator in javascript.
``````var age = 20;

console.log(age <= 20); // true
``````
• #### Python

##### Example of less-than or equal-to operator in python.
``````age = 20

print(age <= 20) # True``````
• #### Dart

##### Example of less-than or equal-to operator in dart.
``````void main(){
var age = 20;

print(age <= 20); // true
}``````
• #### Go

##### Example of less-than or equal-to operator in go.
``````package main

import "fmt"

func main() {
var age int = 20

fmt.Println(age <= 20) // true
}
``````