How to find a square root

Here is the original π video: https://www.youtube.com/watch?v=LhlqCJjbEa0 Watch the long version of the extra working out here: https://www.youtube.com/watch?v=I7YvD7dqsy8 My calculation gave the square root of 10,005 to be 100.02499687578103 Compared to the true value of 100.0249968757810059447921878763577780015950243686963146571... CORRECTIONS - None yet. Let me know if you spot anything! Thanks to my Patreon supporters who enable me to spend a day doing a lot of maths by hand. Here is a random subset: David McCarthy JR Derek Chandler Mauro Cioni Kevin Petrychyn James Tanner Support my channel and I can make more videos: https://www.patreon.com/standupmaths Music by Howard Carter Filming and editing by Trunkman Productions Design by Simon Wright MATT PARKER: Stand-up Mathematician Website: http://standupmaths.com/ Maths book: http://makeanddo4D.com/ Nerdy maths toys: http://mathsgear.co.uk/