The Lost Logic of Elementary Mathematics
Making mathematics education simpler yet more powerful with ancient ORIGINal Indian ideas.
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Some Incorrect English Translations of Euclid's Definition of Multiplication
Euclidean Number Theory: Greek - Arabic - Sanskrit - English!
Scalar Multiplication or Point Multiplication on Elliptic Curves
A Seed to a View
A Pedagogical Times Tables Multiplication Facts Chart
Brahmagupta's Brāhmasphutasiddhānta by Sudhākara Dvivedin 1902 India
Locating a Product with Three Points and a Circle
The Black Swan of Mathematics
The Zipper of Pythagoras and a² + b² = c²
How to Square the Circle (with proofs)
What is DesCartesian Multiplication?
What is DesCartesian Division?
The Multiplication Triangle ⨻
7 Shocking Math Truths (They won't tell you!)
Lost Logic of Elementary Math Slideshow
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Jonathan J. Crabtree Academic Achievements
Cookie Policy (US)
Maths education: New decade, new opportunities?
My Indian Maths Petition Letter
The Death of Arithmetic!
15
May 13
http://www.jonathancrabtree.com/euclid/elements_book_VII_definitions.html
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