How to multiply two floating point numbers in C#

How to multiply two floating point numbers in C#

In this tutorial, we will discuss the concept of How to multiply two floating point numbers in C#

In this topic, we are going to learn how  to write a program for multipling two floating-point numbers in C# programming language

Multiplication of two floating-point numbers in C#

Multiplication of two numbers using variable

In this program, the user declare and initialize two float variables num1 and num2. Then these two numbers are multiplied using multiplication(*) operator and then assigned the result to third (mul) variable

Program 1

// Calculate multiplication of two floating point numbers in C# program 
using System; 
public class Multiply_Float_Num { //Class declaration
    public static void Main(string[] args) { //declare main method inside the class
        float num1=10.5f; //declare and initailize float variable for num1
        float num2=20.6f;  //declare and initailize float variable for num2
        float mul=num1*num2; //Calculate multiplication of two floating-point numbers
        Console.WriteLine ("The multiplication of two given numbers: "+mul); } }
        //display output on the screen

When the above code is executed, it produces the following result

The multiplication of two given numbers: 216.3

Multiplication of two numbers – Entered by user

Program 2

In this program, the user is asked to enter two floating-point values. These two numbers are stored in variables n1 and n2 respectively and two numbers are multiplied using * operator
Then the product of n1 and n2 is evaluated and the result is stored in the mul variable. finally the result is displayed on the screen

// Calculate multiplication of two floating-point numbers in C# program 
using System; public class Mul_Of_Two_Floats { 
    public static void Main(string[] args) { 
        float num1, num2, mul; //declare float variables n1,n2 mul
        Console.WriteLine("calculate multiplication of two floating point numbers: "); 
        Console.Write("Input number to num1: "); 
        //Ask input from the user for num1
        num1=Convert.ToSingle(Console.ReadLine());
        //Reading the value for n1
        Console.Write("Input number to num2: ");
          //Ask input from the user for n2
        num2=Convert.ToSingle(Console.ReadLine());
            //Reading the value for n2
        mul=num1*num2; //calculate multiplication
        Console.WriteLine ("The multiplication of given two floating-point numbers: "+mul); //display result on the screen
        Console.ReadKey(); } }

When the above code is executed, it produces the following result

calculate multiplication of two floating point numbers:
Input number to num1: 15.5
Input number to num2: 16.6
The multiplication of given two floating-point numbers: 257.3

In the above program, two float values 15.5,16.6 (get input from the user) are stored in n1 and n2. Then n1 and n2 are multiplied using the multiplication(*) operator.

Then the result is stored in another variable mul.

Finally, the result is displayed on the screen using display statements in C#

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