Before I start, I want to let you know that my first language is not English, so I probably have a lot of spelling mistakes. If that bothers you better not read this.

I am writing this book more than anything for personal learning, but I hope it can serve more people.

Every class I have I am going to add a new chapter and I plan to write books on all the subjects I take so if you want to read them look for them.

now let's start