Mistakes regarding english

Grammar

In / At / On the plane?. https:en.wikipedia.org/wiki/Cartesian_coordinate_system Seems to be "in the plane"

You look at the Cartesian plane

"Because of" vs "Due to" https:web.ku.edu/~edit/because.html

The function is going to zero because of ... The function's behaviour is due to ...

Into / In something

https:dictionary.cambridge.org/us/grammar/british-grammar/in-into https:www.grammarly.com/blog/into-vs-in-to/ https:www.thoughtco.com/in-and-into-1692749

Level surface vs. Surface level

The inverted order of the words is caused by the translation from another language to english.