# Cool Websites

## Not From Concentrate [comic]

Not From Concentrate is a webcomic that use to run daily in The Diamondback, the independent student newspaper of the University of Maryland, College Park. It is created by Thomas Dobrosielski. Unfortunately, the webcomic is no longer updated 🙁 There is some math related strips and the BEST ones are:

## Happy face math – CHEAT SHEET

You might have seen this before, it seems to have made its way around the internet. It’s called Charlie Smith’s Happy Face Math:   Cheat Sheet: First Column: 1st one is the inverse (ie, upside down) 2nd one is being squared (hence the square) 3rd one is being cubed (hence the cube) 4th one is …

## “The Purple Nurple Optical Illusion” and more

Walter Anthony has some pretty neat optical illusions on his website. The one below is very cool and has been nicknamed the “purple nurple”: Another optical illusion I like (not sure who created this one) is the following:

Strimko is a brand new logic puzzle with numbers, just like Suduko. It is based on Latin squares described by Leonhard Euler in the 18th century. The rules are simple: each row and column of an n x n grid must contain the numbers 1, 2, …, n exactly once (just like in Sudoku ), …

## Educational games – Planarity.net

We had a math camp at University and needed something educational for the elementary school kids. We chose the topic graph theory and decided to teach them about planar graphs. It turns out that http://www.planarity.net has this great flash game that you can play where you have to arrange the vertices such that no edges …

## Introducing… Wolfram Alpha

WolframAlpha.com is the newest development by Stephen Wolfram. It is an “answer engine” as opposed to a search engine. It’s used to compute answers to questions. Being the idiot that I am, I couldn’t think of anything mathie to type in, so I opted for: “Why did the chicken cross the road?”: In all fairness’s …

## Want an academic math job?

Tom Hull has a great piece on job interview advice for academic type math jobs. He wrote it over 10 years ago but recently revised it two months ago. You can find his interview advice on his webpage. There is a lot of articles out there written to help people get jobs and survive interviews, …

## Cool Math Games

The net has a great amount of interactive cool maths games. Below are a few sites worth taking a look at. Most of the math games are fun for all ages and they are all absolutely free. 1. http://www.mathplayground.com/games.html 2. http://www.coolmath-games.com/ 3. http://resources.kaboose.com/games/math2.html 4. http://www.primarygames.com/math.htm 5. http://cemc2.math.uwaterloo.ca/mathfrog/

## Top 10 list of geeky math comics / webcomics

I’m a math geek, so I enjoy reading the occasional comic strip that’s math-related. Here is my list of the top 10 webcomics/comics that I read on a regular basis: 1. Foxtrot – Surely, everyone knows this one. It occasionally has a lot of math humor but is currently on a Sunday only publication schedule. …

## Programming and Sin & Cos

Programming and mathematics are strongly interlinked. If you don’t see the connection yet, you should read this very interesting article about it. For more, click here. In this article I shall discuss several game programming techniques, all revolving around a central theme: the sine and cosine functions. This article will explain sine, cosine, vectors, atan2, …