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  1. en.wikipedia.org › wiki › Gross_marginGross margin - Wikipedia

    Markup vs. Gross Margin (by Adrián Chiogna) Gross margin is the difference between revenue and cost of goods sold (COGS), divided by revenue. Gross margin is expressed as a percentage.Generally, it is calculated as the selling price of an item, less the cost of goods sold (e.g., production or acquisition costs, not including indirect fixed costs like office expenses, rent, or administrative ...

  2. What links here Related changes Upload file Special pages Permanent link Page information Cite this page Get shortened URL Download QR code The Smith–Wilson method is a method for extrapolating forward rates.It is recommended by EIOPA to extrapolate interest rates. to extrapolate interest rates.

  3. en.wikipedia.org › wiki › Golden_ratioGolden ratio - Wikipedia

    The golden ratio's negative −φ and reciprocal φ−1 are the two roots of the quadratic polynomial x2 + x − 1. The golden ratio is also an algebraic number and even an algebraic integer. It has minimal polynomial. This quadratic polynomial has two roots, and. The golden ratio is also closely related to the polynomial.

  4. The sum of squares of residuals, also called the residual sum of squares: The total sum of squares (proportional to the variance of the data): The most general definition of the coefficient of determination is. In the best case, the modeled values exactly match the observed values, which results in and R2 = 1.

  5. An overnight indexed swap ( OIS) is an interest rate swap ( IRS) over some given term, e.g. 10Y, where the periodic fixed payments are tied to a given fixed rate while the periodic floating payments are tied to a floating rate calculated from a daily compounded overnight rate over the floating coupon period.

  6. en.wikipedia.org › wiki › MathematicsMathematics - Wikipedia

    Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics with the major subdisciplines of number theory, [1] algebra, [2] geometry, [1] and analysis, [3 ...

  7. en.wikipedia.org › wiki › CalculusCalculus - Wikipedia

    Look up calculus in Wiktionary, the free dictionary. In mathematics education, calculus denotes courses of elementary mathematical analysis, which are mainly devoted to the study of functions and limits. The word calculus is Latin for "small pebble" (the diminutive of calx, meaning "stone"), a meaning which still persists in medicine.

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