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Arithmetic Operators##

Arithmetic operators are used to perform mathematical operations on variables or values.

Addition (+)

let x: number = 10;
let y: number = 5;
let sum: number = x + y;   ## sum will be 15

Description: The addition operator (+) adds two operands.

Explanation: In this example, x is assigned the value 10, y is assigned the value 5, and sum is assigned the sum of x and y, which is 15.

Subtraction (-)

let difference: number = x - y;  ## difference will be 5

Description: The subtraction operator (-) subtracts the right operand from the left operand.

Explanation: In this example, difference is assigned the difference of x and y, which is 5.

Multiplication (*)

let product: number = x * y;    ## product will be 50

Description: The multiplication operator (*) multiplies two operands.

Explanation: In this example, product is assigned the product of x and y, which is 50.

Division (/)

let quotient: number = x / y;   ## quotient will be 2

Description: The division operator (/) divides the left operand by the right operand.

Explanation: In this example, quotient is assigned the quotient of dividing x by y, which is 2.

Modulus (Remainder) (%)

let remainder: number = x % y;  ## remainder will be 0

Description: The modulus operator (%) returns the remainder of dividing the left operand by the right operand.

Explanation: In this example, remainder is assigned the remainder of dividing x by y, which is 0.

Exponentiation (**)

let power: number = x ** 2;     ## power will be 100 (10 raised to the power of 2)

Description: The exponentiation operator (**) raises the left operand to the power of the right operand.

Explanation: In this example, power is assigned the result of raising x to the power of 2, which is 100.

Increment (++)

let num: number = 5;
num++;   ## num will be 6

Description: The increment operator (++) increases the value of the operand by 1.

Explanation: In this example, num is incremented by 1, so its value becomes 6.

Decrement (--)

num--;   ## num will be 5 again

Description: The decrement operator (--) decreases the value of the operand by 1.

Explanation: In this example, num is decremented by 1, so its value returns to 5.

Key Points:

  • Arithmetic operators in TypeScript perform common mathematical operations such as addition, subtraction, multiplication, division, modulus, exponentiation, increment, and decrement.
  • These operators can be applied to variables of numeric types, such as number or bigint, to perform mathematical calculations.
  • Understanding arithmetic operators is fundamental for performing calculations and manipulating numeric data in TypeScript programs.