Author: Krystian Karczyński

This post is dedicated to a piece of a high school exam question sent to me by a...

When it comes to using many mathematical tools (such as online calculators), we face a not-so-small problem, which...

I get a lot of questions about the formula for the canonical form of a quadratic function introduced...

There are times in life when the region of integration in a double integral is an ellipse.... What...

Complex numbers as a whole are not a complicated and difficult topic. However, things can get "heated" in...