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How To Calculate Square Roots - Numerals That Changed Math Forever

There's an incredible method to extract the square root of a perfect square in your head. MIT Entrace Exam Arithmetic 1876 WayBackMachine: https://web.archive.org/web/201904040... Square root method Burning Math http://burningmath.blogspot.com/2013/... Square root method proof Math StackExchange https://math.stackexchange.com/questi... Square root method Grey Matters http://gmmentalgym.blogspot.com/2010/... Hindu-Arabic numeral system https://en.wikipedia.org/wiki/Hindu%E... Laplace quote https://en.wikipedia.org/wiki/History... Laplace picture https://en.wikipedia.org/wiki/File:La... Abacus picture https://en.wikipedia.org/wiki/Abacus#... A similar method to extract the cube root of number in your head explained in this video:    • How to calculate cube roots in your head   Subscribe: https://www.youtube.com/user/MindYour... Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price you pay. Book ratings are from January 2022. My Books (worldwide links) https://mindyourdecisions.com/blog/my... My Books (US links) Mind Your Decisions: Five Book Compilation https://amzn.to/2pbJ4wR A collection of 5 books: "The Joy of Game Theory" rated 4.2/5 stars on 224 reviews http://amzn.to/1uQvA20 "The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias" rated 4/5 stars on 24 reviews http://amzn.to/1o3FaAg "40 Paradoxes in Logic, Probability, and Game Theory" rated 4.1/5 stars on 38 reviews http://amzn.to/1LOCI4U "The Best Mental Math Tricks" rated 4.2/5 stars on 76 reviews http://amzn.to/18maAdo "Multiply Numbers By Drawing Lines" rated 4.3/5 stars on 30 reviews http://amzn.to/XRm7M4 Mind Your Puzzles: Collection Of Volumes 1 To 3 https://amzn.to/2mMdrJr A collection of 3 books: "Math Puzzles Volume 1" rated 4.4/5 stars on 87 reviews http://amzn.to/1GhUUSH "Math Puzzles Volume 2" rated 4.1/5 stars on 24 reviews http://amzn.to/1NKbyCs "Math Puzzles Volume 3" rated 4.2/5 stars on 22 reviews http://amzn.to/1NKbGlp 2017 Shorty Awards Nominee. Mind Your Decisions was nominated in the STEM category (Science, Technology, Engineering, and Math) along with eventual winner Bill Nye; finalists Adam Savage, Dr. Sandra Lee, Simone Giertz, Tim Peake, Unbox Therapy; and other nominees Elon Musk, Gizmoslip, Hope Jahren, Life Noggin, and Nerdwriter. My Blog https://mindyourdecisions.com/blog/ Twitter   / preshtalwalkar   Merch https://teespring.com/stores/mind-you... Patreon   / mindyourdecisions   Press https://mindyourdecisions.com/blog/press