u/Accomplished-Side826

These are all the formulas I could find/remember in the nbf book excuse my hand and my handwriting.

AOA!

I have my board exams soon and the only thing I'm lacking in is MCQ's I tried to do the ones the books but they are too few and I also don't understand them many times so I was looking for a website that can help me prep preferably one that includes explainations to the answers