HEATKEYS

ExPASy: SIB Bioinformatics Resource Portal

Support for high school science courses, including chemistry, AP Chemistry, biology and physics. ScienceGeek.net is the website of Andy Allan, science instructor at El Diamante High School in Visalia, CA.

A guide to suppliers of custom peptides, GMP peptides, synthesizers, peptide synthesis reagents, and software

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Chemical calculators - programs for pH calculation, solution preparation and concentration conversion, equation balancing, acid-base equlibrium, buffer and hydrolysis calculations, and dilution calculations.

The SharewareTrain.com is a Freeware and Shareware Software web site.

An expanding collection of freely available, interactive Demonstrations in math, science, and many other areas--at all levels from elementary education to front-line research.

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...