Force exerted by stretched or contracted material
Archimedes number
Micro chevron (MC) test (critical energy release rate)
Diffusion Coefficient for two different gases (related to Fick's laws)
Total Area of a Frustum of a Right Circular Cone
Kardashev's civilization rating
Calibrated airspeed (CAS)
Area of a Reuleaux triangle
Klein bagel (4-D non-intersecting parameterization z-coordinate)
Electric flux (in a uniform field)