The Lost Logic of Elementary Mathematics

Making mathematics education simpler yet more powerful with ancient ORIGINal Indian ideas.

Home
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
Feedback
Jonathan J. Crabtree Academic Achievements
Cookie Policy (US)
Maths education: New decade, new opportunities?
My Indian Maths Petition Letter
The Death of Arithmetic!
It's the Quincentenary of the 1st Math Book Printed 1522 in England. So will YOU Explain Grade 5 Math to Win $500?

15

Oct 18

Please Enter Your Feedback and/or Question Here

My friends call me... (required)

My real email address is... (required)

Please leave this field empty.

The Title of this Page/Post is...

Jonathan, my Feedback or Question is...

Search for:

Categories

Categories

Archive

Where to go next...

Google Scholar
Goto LinkedIn
Goto Twitter
ORCID Research I.D.
Other Words in Print

Podometic is India's Own Arithmetic!

Manage Cookie Consent

We use cookies to optimise our website and our service.

Functional cookies Functional cookies Always active

The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.

Preferences Preferences

The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.

Statistics Statistics

The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.

Marketing Marketing

The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.

Manage options Manage services Manage {vendor_count} vendors Read more about these purposes

View preferences

{title} {title} {title}