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  2. Day count convention - Wikipedia

    en.wikipedia.org/wiki/Day_count_convention

    The CouponFactor uses the same formula, replacing Date2 by Date3. In general, coupon payments will vary from period to period, due to the differing number of days in the periods. The formula applies to both regular and irregular coupon periods. Other names: Act/365 Fixed; A/365 Fixed; A/365F; English; Sources: ISDA 2006 Section 4.16(d). [6]

  3. OpenFormula - Wikipedia

    en.wikipedia.org/wiki/OpenFormula

    The Office Open XML spreadsheet formula language is now part of the international standard ISO/IEC IS 29500:2008. Microsoft Office 2007 SP2 uses the formula language defined in ISO/IEC IS 29500:2008 for OpenDocument spreadsheets. Microsoft stated that they are considering adding support for an official ODF formula language (OpenFormula) once a ...

  4. Pack-year - Wikipedia

    en.wikipedia.org/wiki/Pack-year

    The pack-year is a unit for measuring the amount a person has smoked over a long period of time. It is calculated by multiplying the number of packs of cigarettes smoked per day by the number of years the person has smoked.

  5. Formula Regional European Championship - Wikipedia

    en.wikipedia.org/wiki/Formula_Regional_European...

    The Formula Regional European Championship by Alpine (FRECA) is a FIA-certified regional European Formula 3 racing series. On 12 October 2018, it was announced that the Italian autosport regulator Automobile Club d'Italia (ACI) and karting promoter WSK would organize the inaugural year of the championship in 2019. [ 1 ]

  6. 360-day calendar - Wikipedia

    en.wikipedia.org/wiki/360-day_calendar

    The 360-day calendar is a method of measuring durations used in financial markets, in computer models, in ancient literature, and in prophetic literary genres.. It is based on merging the three major calendar systems into one complex clock [citation needed], with the 360-day year derived from the average year of the lunar and the solar: (365.2425 (solar) + 354.3829 (lunar))/2 = 719.6254/2 ...

  7. Calendar year - Wikipedia

    en.wikipedia.org/wiki/Calendar_year

    Other formula-based calendars can have lengths which are further out of step with the solar cycle: for example, the Julian calendar has an average length of 365.25 days, and the Hebrew calendar has an average length of 365.2468 days.

  8. Actuarial notation - Wikipedia

    en.wikipedia.org/wiki/Actuarial_notation

    Actuarial notation is a shorthand method to allow actuaries to record mathematical formulas that deal with interest rates and life tables.. Traditional notation uses a halo system, where symbols are placed as superscript or subscript before or after the main letter.

  9. List of formulae involving π - Wikipedia

    en.wikipedia.org/wiki/List_of_formulae_involving_π

    where A is the area of a squircle with minor radius r, is the gamma function. A = ( k + 1 ) ( k + 2 ) π r 2 {\displaystyle A=(k+1)(k+2)\pi r^{2}} where A is the area of an epicycloid with the smaller circle of radius r and the larger circle of radius kr ( k ∈ N {\displaystyle k\in \mathbb {N} } ), assuming the initial point lies on the ...