Mechanical Engineering Calculations, Graphics, and Data
http://www.mechengcalculations.com/index.htm

The on-line computational and graphics website for mechanical engineers covering: a) Mechanics, b) Dynamics, c) Design, d) Vibrations, e) Structures, f) Heat Transfer, g) Thermodynamics, h) Fluid Flow, i) Metalworking, j) Economics and k) related disciplines. Available calculations are all free and new ones are added about every two weeks. This has been added to Reference Resources Subject Tracer™ Information Blog.