N Puzzle Privacy Policy

August 18th, 2016

N Puzzle collects no information about users whatsoever. It attempts to store game state (current level and maximum level achieved) in the form of cookies on your local device. This information is not shared.


Zombiness Privacy Policy

August 6th, 2016

Zombiness does not collect any personally identifying information about the user. Advertisements are managed via Admob, and they may store tracking information that is carried from app to app. This information is not available to the publisher of Zombiness.


September 1st, 2010

GraphPower is a function grapher that runs on your computer. There are versions for Mac OSX 10.5+ or Windows XP/Vista, it’s available for $10 (after discount) from www.graphpower.com.

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Arclength Integrator

March 14th, 2010

GraphPower now has an arclength integrator. You can use it to find arclengths of curves in Cartesian coordinates.

Space Birthday Facebook App

March 14th, 2010

We’ve just launched our first facebook app, Space Birthday. This app will tell you how many years have passed on other planets since you and your friends were born – that is, how many time Mercury, Venus, Mars, Jupiter and so on have circled the sun.

An Integrator at GraphPower

February 28th, 2010

We’ve just started a new website, GraphPower.com. Our goal is to use that website to provide great calculus software. First up is an online integrator for definite integrals. Just by itself, it should be a great help for calculus students who want to check their work, but we’ll be rolling out a whole bunch of other integrators really soon.

Cryptarithmania Is Live!

December 20th, 2009

In time for Christmas, the Cryptarithmania site is now live and online! You can sign up to receive cryptarithm puzzles in your email Inbox, or buy a CD of over 4 million cryptarithm puzzles. In case you don’t know what a “cryptarithm” is, it’s a puzzle where an arithmetic sum has been changed, replacing each digit with a different letter. Your goal is to figure out what each letter represents. These puzzles are often called alphametics, or crypt-arithmetics or letter or verbal arithmetic. The classic example is SEND + MORE = MONEY, where M represents 1, and… hey, but why should I spoil the puzzle for you! Hop over to www.cryptarithmania.com now and grab yourself some puzzles.

Welcome to Polytope Media

November 1st, 2009

Welcome to Polytope Media! Our goal is to provide stunning educational products in digital format, and market them worldwide over the net. We have a passion for education, particularly to provide educational resources to those who could not otherwise get them. Stay tuned for updates!