Does anyone know how to do calculous easy?

2 answers

Assuming you know and are reasonably good at
basic arithmetic, algebra and related topics ....

Pay attention in class.
Understand the basic concepts.
Do lots of questions.

Calculus will be easy.
https://www.khanacademy.org/

This is also an excellent website with all sorts of lessons on many different topics. You can make an account for yourself if you want, or not -- whatever you wish.

Scroll down until you find the subject area you want help with. Then go to the lessons on the topics you need specific help on. Watch the videos, take notes, and try out the practice tests that are provided.