My introduction (I don't know how to use this)

[Yogi Mera parichay]

I am a Physics, Mathematics lover wants to get essence of the subject.
Hoping to best outcome

 

[jedishrfu]

Welcome to PF!

For essence of Math, may I suggest Grant Sanderson's 3blue1brown channel on youtube. He has a couple of sequences that are quite good especially the one on Calculus which is exceptional.

 

[Yogi Mera parichay]

I got to know about "essence" by him

 

[berkeman]

Welcome to the PF.

(I don't know how to use this)

If you mean you are unsure how to best use the PF, click on INFO at the top of the page and go to the Help pages. There are good tutorials and tips on those pages. Enjoy the PF!