Please don't put other users down, regardless of how math is taught in your country. We want curious conversation in which people treat each other well, even if they know less than you do. We do not want point-scoring and putdowns.

https://news.ycombinator.com/newsguidelines.html

Edit: you've unfortunately been posting unsubstantive comments and breaking the site guidelines with this account elsewhere, too. Can you please stop that so we don't have to ban you again?

We don't learn mahr here

Fun fact: in the UK they call it marhs!

Such a shame that grammar wasn't a basic thing back there.