Language is remarkable, except under the extreme constraints of mathematics and logic, it never can talk only about what it's supposed to talk about but is always spreading around.

" MATHEMATICS can be your best friend if you will use it frequently but it can be your worst enemy if you will neglect using it daily."

M4Math helped me a lot.

Thanks m4 maths for helping to get placed in several companies.
I must recommend this website for placement preparations.