One is?

One!Anybody I mean, yeah. But in a prime/composite definition? It's neither, the one exception, the golden, whatever. Why is it not prime? Let's have a look. Take 25321, a prime number. 1 is also prime, right? So the factorization of 25321 would be 25321 and 25321*1 at the same time. But we have broken two … Continue reading One is? →

The answer to the pi = 4

Okay, the reason why it's wrong? It's in the video, but if you ignore videos, here is the answer. Zoom in on one of the corners of the square with a circle part in it. Oh wait! The circle on the right is not even a circle! So the 'circle' is not even a circle … Continue reading The answer to the pi = 4 →

A cool puzzle!

You know how a complex number z can be represented as r*cisθ, where cisθ = cosθ+ i*sinθ? Do you know that r is the magnitude and θ is the angle from the positive x-axis anti-clockwise? Well, if a complex number z has magnitude ra and angle t, what does z equal to? Hint: it's racist.

Pi is?

What a good question. 3.143.141592653589793238462643385276...4 Which is it? Well, it's not 3.14 because pi is not rational, and that is the same process for 4, right? Well, if you thought so, Congratulations! You are WRONG! It's actually 4. Take a square with perimeter 4 (side length 1) and a circle exactly in the square with … Continue reading Pi is? →

A fun little question …

You know angles? Like this? Angle That's two dimensional. What about an angle in three dimensions? four? five? one? To our 4-dimensional friends out there, tell us the answer!!!!!!!!! comment plz!

Some great math webs/books

Webs: Math with Bad Drawings by Ben Orlin. You ROCK!Mathematrec by Rich Holmes. Pretty cool!Math is FunKhan Academy by Sal Khan. Yes, Sal!Catriona Shearer's Twitter for the amazing geometry puzzles.and more Books: Math with Bad Drawings by Ben Orlin. Can't wait to read it!!!!!So you think you've got problems? by Alex BellosAdam Spencer's books. Damn, … Continue reading Some great math webs/books →

Conway’s game of life

Do you know about conway's game of life????? The Conway's game of Life has certain rules: the grid is a square grid.If a Square is black, then the square is alive. If not, it's dead. (no grey cells!)If an alive square has two or three alive neighbours, it will be alive in the next 'generation'.If … Continue reading Conway’s game of life →

The Tangram

DUN DUN DUUUUUUUN!!!!! Okay, okay, the Tangram is not a monster, you are assured of that. It's a kind of puzzle, but also a toy. It is: A tangram And you can split the seven parts up and put them together in fun ways. Like: The number 4 You can go ahead and search it … Continue reading The Tangram →

How many people can be fed 0 pizzas each?

I mean, it's just stupid, right? 0 pizzas for everyone. But it's actually this question: CAN YOU DIVIDE BY ZERO?!?!?!?! The answer: NO. Answers: Let's say you had a pizza. If you invited only yourself, then you could have all the pizza! If you invited 9 friends, you could have 1/10 of a pizza! If … Continue reading How many people can be fed 0 pizzas each? →

Wait, HUH?!?!

The most basic concept in the world (math concept): 1+1=2 Wait, WHY? No, you cannot do "one finger plus one finger equals two fingers", because that is a REPRESENTATION of 1+1=2. I bet your friends can't prove it! If you figure it out comment in the comment section!