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Dimensional analysis may be used as a sanity check of physical equations: the two sides of any equation must be commensurable or have the same dimensions. A person who has calculated the power output of a car to be 700 kJ may have omitted a factor, since the unit joules is a measure of energy, not power (energy per unit time).
Both "sanity test" and "sanity testing" are common in the software development world and it has a different meaning than sanity check. Compare "sanity test and sanity check at StickyMinds.com, the largest software testing site. — Preceding unsigned comment added by Walter Görlitz (talk • contribs) 00:15, 15 June 2015 (UTC) Support per ...
To check the result of an arithmetical calculation by casting out nines, each number in the calculation is replaced by its digital root and the same calculations applied to these digital roots. The digital root of the result of this calculation is then compared with that of the result of the original calculation.
Mathematical tables are lists of numbers showing the results of a calculation with varying arguments.Trigonometric tables were used in ancient Greece and India for applications to astronomy and celestial navigation, and continued to be widely used until electronic calculators became cheap and plentiful in the 1970s, in order to simplify and drastically speed up computation.
Traditional mathematics education has been challenged by several reform movements over the last several decades, notably new math, a now largely abandoned and discredited set of alternative methods, and most recently reform or standards-based mathematics based on NCTM standards, which is federally supported and has been widely adopted, but ...
Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011.
First. Upon being asked, how many seconds there are in a year and a half, he answered in about two minutes, 47,304,000. Second. On being asked how many seconds a man has lived, who is seventy years, seventeen days and twelve hours old, he answered, in a minute and a half, 2,210,500,800.
A sanity check may merely let an editor know that the quality of his or her argument is being weakened by their conduct. Any editor may apply for a sanity check, but editors who are in a dispute must be aware that a volunteer may give an opinion about the conduct of all involved, including the initial requester.
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