Square a Number Using Visual Basic NET

In this article I would like to share with you guys a simple program that will ask the user to give a number and then our program will convert the given number into its square number equivalent. I wrote this code using Microsoft Visual Basic NET 2013. I added an error checking for empty text box value.  I hope you will find my work useful thank you very much.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

Public Class Form1

    Function Square(ByVal y As Integer) As Integer

        Return y ^ 2

    End Function

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click

        End

    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        Dim a, solve As Integer

        Dim b As String

        a = Val(TextBox1.Text)

        solve = Square(a)

        If TextBox1.Text = "" Then

            MessageBox.Show("Sorry can't be empty.")

            TextBox1.Focus()

        Else

            Label2.Text = "The square value of " & a & " is " & solve & "."

        End If

    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click

        TextBox1.Text = ""

        Label2.Text = ""

        TextBox1.Focus()

    End Sub

End Class

Square a Number in Turbo Pascal

Here is a sample program that will ask the user to give a number and then the program will convert the given number into it's square number equivalent using Pascal as our programming language. The code is very short and easy to understand. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

Program Square_Solver;

Uses WinCrt;

Var a : integer;

Begin

  Clrscr;

  Write('Square Value Converter in Pascal');

  Writeln;

  Writeln;

  Write('Give a Number : ');

  Readln(a);

  Writeln;

  Write('The square value of ' ,a, ' is ' , sqr(a),'.');

  Writeln;

  Writeln;

  Write('End of Program');

  Readln;

End.

Sum of Three Numbers in Visual Basic

Here is a program that will ask the user to give three numbers and then it will compute the total sum of the three numbers given by our user. I am using Visual Basic 5 in this sample program. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

Private Sub Command1_Click()

Dim sum As Integer

a = Val(Text1.Text)

b = Val(Text2.Text)

c = Val(Text3.Text)

sum = (a + b + c)

Text4.Text = sum

End Sub

Private Sub Command2_Click()

End

End Sub

Private Sub Command3_Click()

Text1.Text = ""

Text2.Text = ""

Text3.Text = ""

Text4.Text = ""

Text1.SetFocus

End Sub

Difference of Two Numbers in Ruby

A program that I wrote using Ruby programming language that will ask the user to give two numbers and then our program will find the difference of the two numbers. The code is very simple and easy to understand. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

print "\n\n";

print "Difference of Two Numbers in Ruby"

print "\n\n";

print "enter number 1 : ";

val1 = gets;

print "enter number 2 : ";

val2 = gets;

val1 = val1.to_i

val2 = val2.to_i

difference = difference.to_i

difference = (val1 -val2)

print "\n\n";

puts "The difference of #{val1} and #{val2} is #{difference}.";

print "\n\n";

print "End of Program";

print "\n\n";

Hello World in Ruby

A very simple program that I wrote using Ruby programming language to demonstrate the hello world program. I am just a beginner in ruby programming. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

puts "\n"

puts 'Hello World in Ruby by Jake R. Pomperada'

puts "\n\n"

puts "End of Program"

Fibonacci Number Sequence in Visual Basic NET

A simple program that I wrote using Visual Basic NET to ask the user to give a number and then our program will generate the corresponding fibonacci number sequence based on the given number by our user. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        Dim a As Integer = 0

        Dim i As Integer

        Dim b As Integer = 1

        Dim fib As Integer

        ListView1.Items.Add(1)

        i = Val(TextBox1.Text)

        ListView1.Items.Add(1)

        Do

            fib = a + b

            a = b

            b = fib

            ListView1.Items.Add(fib)

            i = i + 1

        Loop While fib < i

    End Sub

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click

        End

    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click

        TextBox1.Text = ""

        Label2.Text = ""

        TextBox1.Focus()

        ListView1.Clear()

    End Sub

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load

    End Sub

End Class

Armstrong Number Checker in Visual Basic NET

Here is a sample program that will ask the user to give a number and then the program will check and determine if the given number is armstrong or not the code is very easy to understand and use. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        Dim n, sum, t, r As String

        n = Val(TextBox1.Text)

        sum = 0

        t = n

        While n <> 0

            r = n Mod 10

            sum += Math.Pow(r, 3)

            n = n \ 10

        End While

        If sum = t Then

            Label2.Text = "The number " & t.ToString & " is a Armstrong Number."

        Else

            Label2.Text = "The number " & t.ToString + " is NOT an Armstrong Number."

        End If

    End Sub

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click

        End

    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click

        TextBox1.Text = ""

        Label2.Text = ""

        TextBox1.Focus()

    End Sub

End Class

Reverse a Number Checker in Visual Basic NET

Here is a sample program that I wrote using Visual Basic NET to ask the user to give a number and then our program will reverse the arrangement of the number. The code is very short and easy to understand. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Listing

Program Listing

Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        Dim n As String

        n = TextBox1.Text

        Label2.Text = "The reverse arrangement of the number is " & n.AsEnumerable.Reverse.ToArray & "."

    End Sub

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click

        End

    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click

        TextBox1.Text = ""

        Label2.Text = ""

        TextBox1.Focus()

    End Sub

End Class

Perfect Number Checker in Visual Basic NET

A very simple program that I wrote using Visual Basic NET to ask the user to give a number and then the program will check if the given number is a PERFECT number or NOT a PERFECT number. The code is very easy to understand and use. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        Dim n, sum, p, r As Integer

        n = Val(TextBox1.Text)

        p = 1

        sum = 0

        While p <= n \ 2

            r = n Mod p

            If r = 0 Then

                sum += p

            End If

            p += 1

        End While

        If sum = n Then

            Label2.Text = "The number " & n & " is a PERFECT Number."

        Else

            Label2.Text = "The number " & n & " is NOT a PERFECT Number."

        End If

    End Sub

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click

        End

    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click

        TextBox1.Text = ""

        Label2.Text = ""

        TextBox1.Focus()

    End Sub

End Class

Prime Number in Visual Basic NET

Here is a sample program that I wrote using Visual Basic NET to ask the user to give a number and then our program will check and determine if the given number is a prime number or not a prime number. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        Dim a, b As Integer

        Dim t As Boolean

        a = Val(TextBox1.Text)

        t = True

        For b = 2 To (a - 1)

            If a Mod b = 0 Then

                t = False

                Exit For

            End If

        Next b

        If t Then

            Label2.Text = "The number " & a & " is a PRIME Number."

        Else

            Label2.Text = "The number " & a & " is NOT a PRIME Number."

        End If

    End Sub

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click

        End

    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click

        TextBox1.Text = ""

        Label2.Text = ""

        TextBox1.Focus()

    End Sub

End Class

Odd and Even Number in Visual Basic NET

A very simple program that I wrote using Visual Basic NET to ask the user to give a number and then the program will check if the given number is an EVEN or ODD number. The code is very easy to understand and use. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

Public Class Form1

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click

        End

    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        Dim val_me As Integer

        Dim isEven As Boolean

        val_me = Val(TextBox1.Text)

        If val_me Mod 2 = 0 Then

            isEven = True

            Label2.Text = "The number " & " " & val_me & " is an EVEN number" & "."

        Else

            Label2.Text = "The number " & " " & val_me & " " & "is an ODD number" & "."

        End If

    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click

        TextBox1.Text = ""

        Label2.Text = ""

        TextBox1.Focus()

    End Sub

End Class

Positive and Negative Number Checker in Visual Basic NET

Here is a sample program that will ask the user to give a number and then our program will determine and check if the given number is a positive or negative number. The code is written in Visual Basic NET I am using Visual Studio 2013 Ultimate Edition in writing this program. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

 

 

 

  Sample Program Output

Program Listing

 

Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        If Val(TextBox1.Text) >= 0 Then
            Label2.Text = "The given nunber " & TextBox1.Text & " is a POSITIVE NUMBER" & "."
        Else
            Label2.Text = "The given nunber " & TextBox1.Text & " is a NEGATIVE NUMBER" & "."
        End If
    End Sub

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
        End
    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
        TextBox1.Text = ""
        Label2.Text = ""
        TextBox1.Focus()
    End Sub
End Class
 

 

Sum of Even Numbers in Visual Basic NET

Hi there in this article I would like to share with you a sample program that will ask the user to give a number and then our program will compute the total sum of all the even numbers in the given number value by our user using Visual Basic NET. The code is very simple and easy to understand. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

 

 

 

Sample Program Output

Program Listing

Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim sum As Integer
        If Val(TextBox1.Text) < 2 Then
            MsgBox("Invalid value !!! Try Again", vbCritical)
        Else
            For a = 2 To Val(TextBox1.Text) Step 2
                sum = sum + a
            Next a
            Label2.Text = "The sum of all even numbers from 1 to " & TextBox1.Text & ": " & sum & "."
        End If
    End Sub

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
        End
    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
        TextBox1.Text = ""
        Label2.Text = ""
        TextBox1.Focus()
    End Sub
End Class