Compute Square Root using Math.Sqrt in C#

Submitted by donbermoy on Wednesday, July 23, 2014 - 01:21.

In this tutorial, i will introduce another function in C# regarding the Math Functions, the Math.Sqrt(). Math.Sqrt() function provides to compute the square root of a number. So, now let's start this tutorial! 1. Let's start with creating a Windows Form Application for this tutorial by following the following steps in Microsoft Visual Studio 2010: Go to File, click New Project, and choose Windows Application. 2. Next, add two TextBoxes named TextBox1 and TextBox2 then leave it as blank. TextBox1 will be your whole number as an input, and TextBox2 will be the result of the square root you've input. Now, add a Button named Button1 to see the result of the Square Root and displayed in TextBox2. You must design your interface like this: design

3. Now, put this code in Button1_Click. This will display the result of the square root in TextBox2.

        private void button1_Click(object sender, EventArgs e)
        {
            int num1;
            num1= System.Convert.ToInt32((textBox1.Text));
            textBox2.Text = System.Convert.ToString(Math.Sqrt(num1));
        }

We initialized num1 as Integer to hold the value inputted in TextBox1. Then in TextBox2, we compute the square root of a number inputted in num1 with the syntax Math.Sqrt(num1). Math.Sqrt() Function is only for calculating the square root of number.

Output:

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