Aerospaceweb.org is a non-profit site operated by engineers and scientists in the aerospace field. The goal of this site is to provide educational information on a variety of subjects ranging from aviation to space travel to aerospace technology. Primary areas of expertise include aerodynamics, propulsion systems, vehicle design, engineering career information, and aerospace history.
See also: Aerospace calculators
The Aerospaceweb.org calculators section includes a series of useful scripts for computing aerodynamic and atmospheric properties.
Handy script for computing properties of the standard atmosphere, Reynolds numbers, airspeeds, basic aerodynamic values, and other useful quantities.
Compressible Flow Calculator
Another script for computing supersonic flow properties using isentropic, normal shock, and oblique shock relations.