For example, learning imaginary numbers by focusing on applications in electronics is a pretty dumb thing to do. It is better to gain a solid understanding of the abstract theory of imaginary numbers, and then apply that theory to electronics, or one of the many applications that use imaginary numbers, as necessary.
I agree with many of the comments on this article - ie. basically it's crap.
For example, learning imaginary numbers by focusing on applications in electronics is a pretty dumb thing to do. It is better to gain a solid understanding of the abstract theory of imaginary numbers, and then apply that theory to electronics, or one of the many applications that use imaginary numbers, as necessary.
I agree with many of the comments on this article - ie. basically it's crap.
I have a book on ethno-mathematics
a lot of it has to do with different cultural takes on the basics, like how the Babylonians used a system based on 60, etc.
But once you get past this and get into things where you are using abstract stuff like formulas, it becomes more independent of culture.
Imaginary numbers, for example, are used in electronics to calculate impedance (i.e. resistance) for electric current at different frequencies. So stuff like that is quite practical.