## Introduction: Python Programming - Calculating Newton's Method

Short Python program that calculates a square root using Newton's Method.

Python file attached.

# Released under the GPL print ("Newton's Method.") print ("This program will determine a square root using Newton's Method.") numberentered = input("Enter a number: ") # Convert the entered string into a float number number = float(numberentered) # Define the function that uses Newton's Method def square_root(number): estimate = number/2 # print ("The initial estimate is: ", estimate) # Continue the while loop until the estimate and newestimate variables are equal, # then break out of the loop while True: print("Calculating new estimate using Newton's Method.") newestimate = ((estimate+(number/estimate))/2) print("The current estimate is:", estimate) if newestimate == estimate: print("Found the square!", newestimate) break # break out of loop here print ("New estimate is:", newestimate) # Assign newestimate value to estimate estimate = newestimate # End while loop square_root(number) print ("Exiting program now.")

### Attachments

Participated in the

Epilog Contest VII

## Comments