# 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) Console.ReadLine() End Sub End Module

**Output: Sum of digit is: 6**