MIT Entrace Exam Arithmetic 1876 WayBackMachine:
Square root method Burning Math
Square root method proof Math StackExchange
Square root method Grey Matters
Hindu-Arabic numeral system
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
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