HEATKEYS

A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java applets, HTML instruction, home of Arachnophilia.

Lawrence Berkeley National Laboratory

Vintage Calculators: old mechanical & electronic calculators; british hand-held & desk; british sterling currency

Abbreviations - acronyms and initialisms from a database of over 600,000 entries covering computers, technology, telecommunications, and the military.

The Institute of Transportation Engineers is an international educational and scientific association of transportation professionals who are responsible for meeting mobility and safety needs. ITE facilitates the application of technology and scientif...

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

The Museum of HP Calculators displays and describes older Hewlett-Packard calculators. There are also sections on calculating machines and slide rules as well as sections for buying and selling HP calculators, an HP timeline, collecting informatio...