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Google Knows Mathematical Constants

In addition to performing calculations, Google also knows a variety of mathematical and scientific constants, such as pi, Avogadro’s Number, and Planck’s Constant. It also knows the radius of the Earth, the mass of the sun, the speed of light, the gravitational constant, and a lot more.

For example, if you’re not sure what the value of pi is, just enter pi into the Search box and press Enter; Google returns 3.14159265, as it should. How about the speed of light? Enter speed of light, and Google returns 299,792,458 m/s. It’s amazing what Google knows.

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