Controls engineers often work with fluid systems where calculating flow rate (Q = A * v) depends on accurately determining the cross-sectional area of pipes. The article revisits core formulas like ...

Arnold Packer chairs the Scans 2000 Center within the Institute for Policy Studies at Johns Hopkins University in Baltimore. The center is conducting the study mentioned in the essay. Successful 5th ...

The ability to round a number to a number of decimal places or to a number of significant figures is essential if answers are to be written to the correct degree of accuracy asked for in a question.

Abstract: The circumference of a limb is an important parameter in the follow-up of an edema. Recently, several methods of measuring the circumference on a limb using 3D cameras have been proposed.