HEATKEYS

Online Conversion is a resource for weights, measures, calculators, converters.

Online reference tool for mechanical designers. Includes engineering data tables, material info, manufacturing methods, software guides, design guides and more!!

Tools and Basic Information for Design, Engineering and Construction of Technical Applications

online unit converter - the richest collection of converters for online unit conversion.

Knovel Unit Converter enables you to convert between any scientific and engineering units of measurement

Online weights and measures conversion. Online calculators for quick and easy metric conversion, conversion tables for both commonly used and very exotic units.

Convert measurement units for metric, imperial systems and more. Includes conversion charts, tables.

Calculations for pressure pipes, open channels, ground water, hydrology. Software, formulas, equations

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

Download fully functional evaluation copies of our engineering, project management and risk analysis software, or follow our links to other sites.

Learn science the fun & easy way with Science Made Simple! Simple kids science experiments, science projects, clear detailed articles, and more.

Mechanical Design Engineering Resources such as mechanical design, manufacturing, computer aided design, materials, CAD, CAM, machine shop, technical, Safety, engineering publications, patents, components, associations, standards