There’s an incredible method to calculate the square root of a perfect square in your head.
MIT Entrace Exam Arithmetic 1876 WayBackMachine:
://
Square root method Burning Math
Square root method proof Math StackExchange
Square root method Grey Matters
#rtsqr
Hindu-Arabic numeral system
–Arabic_numeral_system
Laplace quote
–Arabic_numeral_system#Impact_on_arithmetic
Laplace picture
:Laplace,_Pierre-Simon,
Abacus picture
#/media/File:
A similar method to extract the cube root of number in your head explained in this video:
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Mind Your Decisions: Five Book Compilation
A collection of 5 books:
“The Joy of Game Theory“ rated 4.2/5 stars on 224 reviews
“The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias“ rated 4/5 stars on 24 reviews
“40 Paradoxes in Logic, Probability, and Game Theory“ rated 4.1/5 stars on 38 reviews
“The Best Mental Math Tricks“ rated 4.2/5 stars on 76 reviews
“Multiply Numbers By Drawing Lines“ rated 4.3/5 stars on 30 reviews
Mind Your Puzzles: Collection Of Volumes 1 To 3
A collection of 3 books:
“Math Puzzles Volume 1“ rated 4.4/5 stars on 87 reviews
“Math Puzzles Volume 2“ rated 4.1/5 stars on 24 reviews
“Math Puzzles Volume 3“ rated 4.2/5 stars on 22 reviews
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.
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