Category: Fun

math is fun!

Aurelio Baldor

  When i was in Bogota, i stayed with Martha and Hugo. Hugo is a mathematician. he asked me which area of mathematics i studied. I told him Abstract Algebra. Then he told me a funny story.  Many Colombian students are not great at Algebra (regular), and almost all the Algebra textbook in Colombia is written by a Cuban mathematician…

Collatz Conjecture

  Python Day 4: Collatz Conjecture Some of the students used to ask me, why do we have to learn calculus? I told them because if they are good at calculus then they may good at abstract algebra and number theory, and eventually can be the front page of the People’s Magazine like Andrew Wiles. (Andrew Wiles proved Fermat’s Last Theorem).


Derivatives 1:

Derivative is one of my favorite concepts; it is the fundamental idea of calculus. 

Derivative represents the rate of instantaneous change at the point a. 

Math started to make sense to me systematically from calculus.

One application is 

S(t): Distance

S'(t) = v(t) : velocity

S”(t)= v'(t)= a(t): accerlation

and dont forget S”'(t)= jerk 🙂 


Happy studying!

The Game of 31

Thirty-One: Last weekend, 77 recommended me to watch a TV shows, High Intelligent Players, 高能玩家. Among the games they played, there is a game of 31, I think it is very interesting.

Fun Numbers

Python Day 3: Finding Fun Numbers All the maths fans know the story about 1729, the Ramanujan Number. One day Hardy visited Ramanujan in the hospital and said he took a taxi with a boring licence number, 1729. Ramanujan said:  it is a very interesting number; it is the smallest number expressible as the sum of two cubes in two different ways.


Topology 1:

I never really understood any topology classes while in school, but I enjoyed all the fancy torus Dr.Bazeyach drew. I saw this picture from ins #math. I thought it is very cute 🙂


SAS 11.11

In China, 11.11 is Single’s Day. I found this day very interesting, although 1111 looks like a solitude date on the calendar. It is not! It has a prime factorization 1111=101*11,  and both 11 and 101 are primes. Therefore I think 1111 is a cute number and a Prime relationship day! Some people may be like Composite Numbers, always have…

Fun math 1

When I was teaching the summer camp in CTY, students started to write: { in Z+| < 0} = a really happy negative number { in Z+| is even and n is odd} = 2, ( a really odd even number) I thought it is really cute, I shared it 80 , he came up with some more statment …. But we will…

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