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  2. Eötvös effect - Wikipedia

    en.wikipedia.org/wiki/Eötvös_effect

    The mathematical derivation for the Eötvös effect for motion along the Equator explains the factor 2 in the first term of the Eötvös correction formula. What remains to be explained is the cosine factor. Because of its rotation, the Earth is not spherical in shape, there is an Equatorial bulge. The force of gravity is directed towards the ...

  3. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Excel 2016 has 484 functions. [16] Of these, 360 existed prior to Excel 2010. Microsoft classifies these functions into 14 categories. Of the 484 current functions, 386 may be called from VBA as methods of the object "WorksheetFunction" [17] and 44 have the same names as VBA functions.

  4. Beta sheet - Wikipedia

    en.wikipedia.org/wiki/Beta_sheet

    The beta sheet (β-sheet, also β-pleated sheet) is a common motif of the regular protein secondary structure. Beta sheets consist of beta strands ( β-strands ) connected laterally by at least two or three backbone hydrogen bonds , forming a generally twisted, pleated sheet.

  5. Sheet resistance - Wikipedia

    en.wikipedia.org/wiki/Sheet_resistance

    Example: A 3-unit long by 1-unit wide (aspect ratio = 3) sheet made of material having a sheet resistance of 21 Ω/sq would measure 63 Ω (since it is composed of three 1-unit by 1-unit squares), if the 1-unit edges were attached to an ohmmeter that made contact entirely over each edge.

  6. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    A simplistic example of ECC is to transmit each data bit 3 times, which is known as a (3,1) repetition code. Through a noisy channel, a receiver might see 8 versions of the output, see table below. Through a noisy channel, a receiver might see 8 versions of the output, see table below.

  7. Nomogram - Wikipedia

    en.wikipedia.org/wiki/Nomogram

    Being proportional to the harmonic mean of A and B, this formula has several applications. For example, it is the parallel-resistance formula in electronics, and the thin-lens equation in optics. In the example, the red line demonstrates that parallel resistors of 56 and 42 ohms have a combined resistance of 24

  8. False discovery rate - Wikipedia

    en.wikipedia.org/wiki/False_discovery_rate

    Based on definitions below we can define Q as the proportion of false discoveries among the discoveries (rejections of the null hypothesis): = = +. where is the number of false discoveries and is the number of true discoveries.

  9. Lens - Wikipedia

    en.wikipedia.org/wiki/Lens

    A burning apparatus consisting of two biconvex lens. A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis.