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Misc Math Links
Courses/Articles
Brilliant | Learn to Think
: Interactive Learning Courses
Abakus
: Math Articles
Mathigon
: Interactive Math Lessons
Khan Academy
: Math Courses
SparkNotes
: Math Courses
Videos
Essence of Calculus: 12 Videos
3Blue1Brown: Many Math Videos
:
OnLine books
Euclid in Greek and English
Euclid Books 1-6 [on Gutenberg]
Mathematician's Delight --W W Sawyer
A Course in Pure Mathematics --G H Hardy
Introduction to the Theory of Numbers --Hardy & Wright
openstax: Calculus Textbook
How To Solve It --G. Polya
Group Theory Course --J. S. Milne
Proofs and Concepts (abstract mathematics) --Morris & Morris
Introduction to the Theory of Numbers --Moser
Discrete Mathematics --Levin
Abstract Algebra, Theory & Applications --Judson
Formal Languages/Automata --Hopcroft & Ullman
Godel's Incompleteness Theorems --R M Smullyan
The Collatz Conjecture
At Wikipedia
Multiple Articles at Quanta Magazine
Visualizing the Conjecture with Python [on Medium]
A Dangerous Problem
Many Articles on Medium
Paper: Novel Theories and Algorithms [June 2021]
Paper: Frequency Distribution of Hard Points
181 Proofs of the Pythagorean Theorem
Interactive Function Graphs
On-Line Encyclopedia of Integer Sequences
Math is Fun: Calculus
Interactive Math: The Binomial Theorem
Math.com: proof of derivitive of x**n
Math Site by J. S. Milne
Mathematics Made Difficult