I'd probably lose some math geek cred if I didn't celebrate Google's way of celebrating the 410th birthday of Pierre de Fermat, the namesake of 'Fermat's Last Theorem.'  The guts of the theorem are depicted in the doodle itself; that there are no integer solutions to the Pythagorean-Theorem-like equations for integer exponents greater than 2.

Read the rest of this post »

For months, I've been casting about for tools that will allow me to create mathematical eBook documents in the ePUB format. I chose that format because it's open, supported by the major readers (e.g., Kindle, Nook, iPad software), and can be authored in a way that's very similar to authoring HTML documents.

Here are a couple articles that demystify the ePUB format and show how it is related to HTML:

Read the rest of this post »