Mathematics is an exact language for description, calculation, deduction, modeling, and prediction — more a systematic way of thinking than a set of rules. Using a legal analogy, mathematics is a language for writing contracts with Nature that Nature accepts as legally binding. The practical importance of mathematics lies in its ability to describe the real world.
This tutorial will give you the knowledge from the scratch as a beginner level to intermediate level.
It consists of 2 parts 1. Discrete Mathematics 2. Engineering Mathematics