Complex NumbersReference > Mathematics > Algebra
Imaginary Numbers - A brief introduction to the concepts behind imaginary numbers
Complex Numbers - combining real numbers with imaginary numbers to create complex numbers
How to tell if two complex numbers are equal, by comparing real and imaginary parts
How to multiply complex numbers, how to divide and simplify complex numbers
Graphing complex numbers on the complex plane, and calculating its magnitude
Understanding Coronavirus Spread
A Question and Answer session with Professor Puzzler about the math behind infection spread.
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