Surely this question you have never done and it is that we assume that it is natural for the Earth to rotate on its own axis since our planet does […]

Yesterday, if you remember, I told you that it was the tangential (unitary) vector to a curve or path, so today I will tell you how to calculate and that […]

As I want you to learn a bit of differential geometry, which is not as complicated as they are painted or how it sounds and since I imagine that you […]


Today I want to talk about something that I tell you a lot, imagining that, you know what I mean: geometry. Normally I assume that this basic part of mathematics […]