As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.Albert Einstein
[G]eometry is not true, it is advantageous.~Henri Poincaré
M4Math helped me a lot.Vipul Chavan 2 years ago
Thanks m4 maths for helping to get placed in several companies.
I must recommend this website for placement preparations.