# Write a visual basic (Vb) program to find the sum of a digit

How to Write code in visual basic to find the sum of a digit or visual basic program to find the sum of a digit. Another VB(Visual basic 6.0) program to find the sum of a digit before dive into the code let’s understand the problem.

# What is the sum of a digit?

The sum of a digit is the addition of all the numbers in a number. For example, I want to find the sum of digits of the number 123 so the answer will be  1+2+3 = 6. Let’s see the visual basic program to find the sum of a digit.  If you are beginners will be recommended to check more visual basic programs on numbers or mathematical problem.

# Algorithm to find the Sum of digit in Visual basic

• Enter the number (n=123)
• Execute While loop till (n>0)
• Separate each digit and perform addition operation with every iteration
• Print the sum on console

## Visual basic (vb) program to find the sum of a digit

```Module Module1

Sub Main()
Dim a, n, sum As Integer
a = 123
sum = 0
While a > 0
n = a Mod 10
sum = sum + n
a = a / 10
End While
Console.WriteLine("Sum of digit is: " & sum)