HEATKEYS

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.

Conjecture Corporation creates and manages a growing network of web sites that reach millions of unique visitors per month.

Access to hundreds of pages of award-winning information on prime numbers--with links to thousands of pages elsewhere. We host the searchable database of the 5000 largest known primes (updated weekly). We also have a glossary, top 10 records l...

A privately funded institute dedicated to increasing and disseminating mathematical knowledge

The Beal Conjecture - Number theory enthusiast Andrew Beal postulates that A^x+B^y=C^z is impossible with co-prime bases. A US$75,000 prize is offered for a rigorous proof or disproof of the Beal Conjecture.