# C Program to Calculate the Sum of Natural Numbers

C Program to Calculate the Sum of Natural Numbers

This is the example of c-programming. You can edit and compile code in your own way on clicking button. If you have better solution or you found any error on code, then give us suggestion.

## Code Explanation :

You should have the knowledge of following topics of C programming:

The positive numbers 1, 2, 3... are known as natural numbers. The sum of natural numbers up to 10 is:

`sum = 1 + 2 + 3 + � + 10`

The above program takes input from the user and stores it in the variable n. Then, the sum up to n is calculated using `for loop`.

## Algorithm

```Step 1 : start

Step 2 : Declare variables n, i, sum

Step 3 : Initialize sum = 0

Step 5 : Repeat this step until i &lt;= n
5.1 :  sum += i
5.2 :  i++

Step 6 : Display sum

Step 7 : end```

## Flowchart Our example mainly covers following topics in any programing

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