## Prime Number Checker Demo

September 28th, 2016 by Math Tricks | No Comments | Filed in Demos

Eratosthenes

### Please check out our gofundme page!

I recently made a Facebook post on the Scientific American article New Take on an Ancient Method Improves Way to Find Prime Numbers.  The article focused on a mathematicians work in improving the Sieve of Eratosthenes to determine if a number is prime.  If you are unfamiliar with this ancient algorithm, then this video will be instructive:

Anyway, this got me into thinking of developing a prime number checking program – but in the opposite direction: using the most basic algorithm to check if a sequence of numbers is prime.

Sounds crazy, right?  Well, just hear me out.  What I want to do is to develop a cool demonstration that shows each number being tested (the speed of program execution will be a variable, btw), and the result of the testing – whether the number is prime or composite.

*** More on this later!! ***

Tags:

## That Christmas Song Game for Windows

December 4th, 2013 by Math Tricks | 2 Comments | Filed in Games, Math Software

Well I finally produced a Windows version of the Christmas game I made up some time ago.  Kids love this one, and it gets them to do some counting!

It is based on the “12 Days of Christmas” song.  The object is to click on the correct object when that part of the song comes up.  You have several lives in the game – in case you miss.  Be careful, because the order of the objects change, so you have to be alert!