Complex Numbers Have More Uses Than You Think

Euler's Formula Beyond Complex Numbers

What Lies Between a Function and Its Derivative? | Fractional Calculus

Can you change a sum by rearranging its numbers? --- The Riemann Series Theorem

When CAN'T Math Be Generalized? | The Limits of Analytic Continuation

Linear algebra 1 - Vectors and linear combinations

How to do two (or more) integrals with just one

How Imaginary Numbers Were Invented

Math Videos: How To Learn Basic Arithmetic Fast - Online Tutorial Lessons

Do Complex Numbers Exist?

The strange cousin of the complex numbers -- the dual numbers.

Imagineering Trigonometry ! ( How do you take the Sine of an Imaginary Angle? )

Schrodinger Equation and the Wave Function (Full Course)

Necessity of complex numbers

The Oldest Unsolved Problem in Math

The Concept So Much of Modern Math is Built On | Compactness

The Real World Uses of Imaginary Numbers

How to Take the Factorial of Any Number

Is this one connected curve, or two? Bet you can't explain why...

Olympiad level counting (Generating functions)