It conveys ideas well in the level you need to think about them. It's not accurate syntax in CS sense but it conveys ideas well from mind to mind.
I think many CS students have problem with mathematical notation because it can be both accurate and syntactically very sloppy and informal at the same time. It's human language and notation, it's not for computers.
Programmers have moved away from single letter variable names to make things understandable, but mathematics, even in CS has not.