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Analog computers are systems that perform computations by manipulating physical quantities such as electrical current, that map math variables, instead of representing information using abstraction ...

Wolfram Alpha has been “helping” students get through higher math and science classes for years. It can do almost everything from solving Laplace transforms to various differential equations. It’s a ...

Field-solver programs, which can model physical phenomena, now enter the picture. Thomas Quan, vice president of marketing for Applied Wave Research, notes: “As operating frequency increases in analog ...