How Euler took derivatives.
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Deriving Euler's formula four ways!

Robert Bryant: "The Concept of Holonomy"

How to integrate with respect to any function!

the complex derivative is strange...

The quantum derivative.

Why don't they teach simple visual logarithms (and hyperbolic trig)?

Winning the Fields Medal (with James Maynard) - Numberphile

Physics students learn this better than math students!!

Fermat's unique method of integration.

The Greatest Unsolved Problem In Mathematics

beyond real numbers: solving x² + 1 = 0 in different number systems

The craziest definition of the derivative you have ever seen!

Euler's formula with introductory group theory

Ramanujan's favorite coincidence (it's not a coincidence)

a formula for the "circumference" of an ellipse.

The Most Misunderstood Concept in Math

When term-by-term differentiation is illegal.

the famous goat problem

Do Complex Numbers Exist?

