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Drilling Formula Sheets is a set of Drilling Formulas used commonly by drilling engineers in the onshore and offshore oil drilling industry. They are used as part of a key piece of engineering work called Well Control . These formulas are part of the teachings of all well control schools and well engineering schools and for many years have been ...
ρ = ρ ( r) = Fluid density at gravitational equipotential containing r. g = g ( r) = Gravitational field strength at point r. ∇ P = Pressure gradient. ∇ P = ρ g {\displaystyle abla P=\rho \mathbf {g} \,\!} Buoyancy equations. ρf = Mass density of the fluid. Vimm = Immersed volume of body in fluid.
MediaWiki stores rendered formulas in a cache so that the images of those formulas do not need to be created each time the page is opened by a user. To force the rerendering of all formulas of a page, you must open it with the getter variables action=purge&mathpurge=true. Imagine for example there is a wrong rendered formula in the article Integral
Classical mechanics is the branch of physics used to describe the motion of macroscopic objects. [1] It is the most familiar of the theories of physics. The concepts it covers, such as mass, acceleration, and force, are commonly used and known. [2]
For a full list of editing commands, see Help:Wikitext. For including parser functions, variables and behavior switches, see Help:Magic words. For a guide to displaying mathematical equations and formulas, see Help:Displaying a formula. For a guide to editing, see Wikipedia:Contributing to Wikipedia. For an overview of commonly used style ...
In mathematics, Euler's identity[ note 1] (also known as Euler's equation) is the equality where. is pi, the ratio of the circumference of a circle to its diameter. Euler's identity is named after the Swiss mathematician Leonhard Euler. It is a special case of Euler's formula when evaluated for .
List of mathematical series. This list of mathematical series contains formulae for finite and infinite sums. It can be used in conjunction with other tools for evaluating sums. is a Bernoulli polynomial. is an Euler number. is the Riemann zeta function. is the gamma function. is a polygamma function. is a polylogarithm.
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