# Extracting Square Roots Made Easy: A Little Known Medieval Method - Conclusion and About the Author

Author(s):
Friedrich Katscher (Vienna University of Technology)

Conclusion

Today you get square roots with many correct decimal places instantly with your calculator or computer. However, as we saw with the fourth and fifth approximations of $$\sqrt{5},$$ far greater accuracy can be achieved by means of a few easy calculations invented more than 800 years ago.