Arithmetic Operators in C#.Net

In this c# post we will learn arithmetic operators with example.

Arithmetic Operators in C#.Net

As we know there are some basic arithmetic operations like Addition, Subtraction, Multiplication and Division are done by using arithmetic operators. Arithmetic operators are used for mathematical calculation in any programming. In this tutorial we will learn to use all the arithmetic operator with variable using c# language with example.

List of basic arithmetic operators are given below :

1 + Addition of Numbers ans = number1 + number2
2 Subtraction of Numbers ans = number1 – number2
3 * Multiplication of Numbers ans = number1 * number2
4 / Division of Numbers ans = number1 / number2
5 % Reminder of Division ans = 13%5   then ans=3

Addition operators (+)

The addition arithmetic operation done by “+” plus sign. Here, we add two variable value and store it in third answer variable and display result on screen.

Integer type variable addition

For doing addition arithmetic operation on variable first we declare variable then assign value to variable after we add up the variables. Here we declare two integer type variable firstno and secondno. we assign value to both variables 10 and 15 respectively as shows below.

int  firstno;
int  secondno;

firstno = 10;
secondno = 15;

Now we want to add the firstno to secondno and the result will be stored in third variable we called addanswer.

The addition syntax is:

int  addanswer;

addanswer = firstno + secondno;
addanswer =  10 +  15
addanswer = 25

Here we have a result of two variable addition is 25 as we use integer type variable.

The same example we done using string type variable the what happens lets see.

String type variable addition

Declare two string type variable with some values and add first no to second no and store result in third string variable.

string  firstno;
string  secondno;

firstno = 10;
secondno = 15;

Here we use third string type variable to store the addition result.

string addanswer;

addanswer = firstno + secondno;
addanswer = 10  +  15
addanswer = 1015

Above code we get result in 1015 because the string type variable concatenate secondno to firstno.

Let’s implement integer and string type variables addition program in visual studio with

Design web form as shows below screen along with two textbox control for input value and two button control one for integer addition and other for string addition. Bring two label control for display result one for integer result and other for string addition result.

Addition of Variable Example.
Addition of Variable Example.

Above c# example as show screen we input two values 10 and 15 to textbox and on integer addition button we do integer type addition and on string addition button we do string type addition.

For integer addition  10 + 15  = 15
For string addition     10 + 15 = 1015

Here, is the c# code for above addition example

Subtraction(-), Multiplication(*) Operators

Above example we learnt addition arithmetic operator, now here we do example for subtraction and multiplication operators.

Subtraction operator denoted by  (-)  minus sign.
Multiplication operator denoted by  (*)  star sign.

Subtraction and Multiplication C#.Net Example

Design web for same as above addition example for subtraction and multiplication.

Subtraction arithmetic operators in C#
Subtraction arithmetic operators in C#

Above c# example we assign value 15 and 10 in textbox and we show the subtraction result 15-10 = 5 and multiplication result 15*10 = 150.

C# code for operators example

Division (/) and Module (%) Operators

Division operators denoted by (/) sign.
Module operators denoted by (%) sign.

Division and Module C#.Net Example

Division arithmetic operators in C#
Division arithmetic operators in C#

C# code for example


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