I don't understand this topic?

Answer 1

u can always look in comments section of the topic for explanation, more info & examples...

or u can post ur doubt here in Q&A section
people r always ready to help here

Good luck...👍 Never Giveup ✌️

Answer 2

read in a book

Answer 3

Can you be more specific? Give an example of what you don't understand?

Answer 4

If you don't understand adding or subtracting then your too young to start coding (in my view) good luck kid maybe try scratch