@Cphill

I'm not.....there are many here better than me...!!!

Some questions...I just take a guess at......sometimes I'm correct....sometimes I'm not.....

I KNOW RIGHT!

It's called magic little kids 

He sure is good though

He is very knowlegeable when it comes to math sciences!  Nobody is born with this knowledge..... There are MANY math courses you can take in future years to expand your knowledge base and become Chris II 

Here are some samples:

math  

geometry

  trigonometry 

algebra

  calculus (many levels)

differential equations

advanced applied mathematics 

physics

chemistry

probability

statistics

Most engineering courses

economics

finance

etc   etc  etc       Keep studying !