Mistakes regarding english
From Applied Science
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.