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  2. Profit margin - Wikipedia

    en.wikipedia.org/wiki/Profit_margin

    1,000,000) x 100 = 40%. Operating profit margin ... known as operating income divided by revenue. The COGS formula is the same across most industries, but what is ...

  3. Percentage - Wikipedia

    en.wikipedia.org/wiki/Percentage

    It is not correct to divide by 100 and use the percent sign at the same time; it would literally imply division by 10,000. For example, 25% = ⁠ 25 / 100 ⁠ = 0.25, not ⁠ 25% / 100 ⁠, which actually is ⁠ 25 ⁄ 100 / 100 ⁠ = 0.0025. A term such as ⁠ 100 / 100 ⁠ % would also be incorrect, since it would be read as 1 percent, even ...

  4. List of price index formulas - Wikipedia

    en.wikipedia.org/wiki/List_of_price_index_formulas

    [The formula does not make clear over what the summation is done. P C = 1 n ⋅ ∑ p t p 0 {\displaystyle P_{C}={\frac {1}{n}}\cdot \sum {\frac {p_{t}}{p_{0}}}} On 17 August 2012 the BBC Radio 4 program More or Less [ 3 ] noted that the Carli index, used in part in the British retail price index , has a built-in bias towards recording ...

  5. Symmetric mean absolute percentage error - Wikipedia

    en.wikipedia.org/wiki/Symmetric_mean_absolute...

    The value of this calculation is summed for every fitted point t and divided again by the number of fitted ... (200% for the first and 100% for the second formula).

  6. Gross margin - Wikipedia

    en.wikipedia.org/wiki/Gross_margin

    In this case, 50% of the price is profit, or $100. $ $ $ % = % In a more complex example, if an item costs $204 to produce and is sold for a price of $340, the price includes a 67% markup ($136) which represents a 40% gross margin. This means that 40% of the $340 is profit. Again, gross margin is just the direct percentage of profit in the sale ...

  7. Crystal oscillator frequencies - Wikipedia

    en.wikipedia.org/wiki/Crystal_oscillator_frequencies

    Crystal oscillators can be manufactured for oscillation over a wide range of frequencies, from a few kilohertz up to several hundred megahertz.Many applications call for a crystal oscillator frequency conveniently related to some other desired frequency, so hundreds of standard crystal frequencies are made in large quantities and stocked by electronics distributors.

  8. List of trigonometric identities - Wikipedia

    en.wikipedia.org/wiki/List_of_trigonometric...

    A formula for computing the trigonometric identities for the one-third angle exists, but it requires finding the zeroes of the cubic equation 4x 3 − 3x + d = 0, where is the value of the cosine function at the one-third angle and d is the known value of the cosine function at the full angle.

  9. Long division - Wikipedia

    en.wikipedia.org/wiki/Long_division

    Decimal numbers are not divided directly, the dividend and divisor are multiplied by a power of ten so that the division involves two whole numbers. Therefore, if one were dividing 12,7 by 0,4 (commas being used instead of decimal points), the dividend and divisor would first be changed to 127 and 4, and then the division would proceed as above.