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In mathematics, the signal magnitude area (abbreviated SMA or sma) is a statistical measure of the magnitude of a varying quantity. Definition
[2] [3] [4] A scientist who specializes in the field of physics is called a physicist. Physics is one of the oldest academic disciplines . [ 5 ] Over much of the past two millennia, physics, chemistry , biology , and certain branches of mathematics were a part of natural philosophy , but during the Scientific Revolution in the 17th century ...