Draw a flowchart to calculate Sum = 9+99+999+...

As a text-based AI, I'm unable to draw a flowchart. However, I can describe the steps you would take to create one:

1. Start: This is the entry point of the flowchart.

2. Initialization: Initialize two variables, Sum and Term. Set Sum to 0. This will hold the total sum of the series. Set Term to 9. This will hold the current term to be added to Sum.

3. Loop: Create a loop condition. For example, you can run the loop while Term is less than or equal to 999.

4. Inside the loop: Add the current Term to Sum. Then, multiply Term by 10 and add 9 to get the next term in the series.

5. End of loop: Once Term exceeds 999, exit the loop.

6. Output: Display the value of Sum.

7. End: This is the exit point of the flowchart.

Please note that this flowchart will calculate the sum of the series 9+99+999. If you want to calculate the sum of a different series, you will need to adjust the initialization of Term and the calculation of the next term inside the loop.

As an AI text-based model, I'm unable to draw a flowchart. However, I can describe the steps to create one:

1. Start: Begin the flowchart.
2. Initialize variables: Set Sum = 0 and n = 9.
3. Loop: Create a loop that will continue until a certain condition is met. This condition depends on how many terms you want to add. Let's say you want to add N terms.
4. Inside the loop: Add n to Sum, i.e., Sum = Sum + n.
5. Update n: Multiply n by 10 and add 9, i.e., n = n*10 + 9.
6. Check condition: If the number of iterations is less than N, go back to step 4. If not, proceed to the next step.
7. End: The final value of Sum is the sum of the series. End the flowchart.

Please note that this flowchart will calculate the sum of the first N terms of the series 9, 99, 999, etc. You need to specify N before running the flowchart.