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  2. AP Calculus - Wikipedia

    en.wikipedia.org/wiki/AP_Calculus

    The AP Program includes specifications for two calculus courses and the exam for each course. The two courses and the two corresponding exams are designated as Calculus AB and Calculus BC. Calculus AB can be offered as an AP course by any school that can organize a curriculum for students with advanced mathematical ability. [1]

  3. Common Era - Wikipedia

    en.wikipedia.org/wiki/Common_Era

    Common Era (CE) and Before the Common Era (BCE) are year notations for the Gregorian calendar (and its predecessor, the Julian calendar), the world's most widely used calendar era. Common Era and Before the Common Era are alternatives to the original Anno Domini (AD) and Before Christ (BC) notations used for the same calendar era. The two ...

  4. Year zero - Wikipedia

    en.wikipedia.org/wiki/Year_zero

    In astronomy, for the year AD 1 and later it is common to assign the same numbers as the Anno Domini notation, which in turn is numerically equivalent to the Common Era notation. But the discontinuity between 1 AD and 1 BC makes it cumbersome to compare ancient and modern dates. So the year before 1 AD is designated 0, the year before 0 is −1 ...

  5. Astronomical year numbering - Wikipedia

    en.wikipedia.org/wiki/Astronomical_year_numbering

    The prefix AD and the suffixes CE, BC or BCE (Common Era, Before Christ or Before Common Era) are dropped. [1] The year 1 BC/BCE is numbered 0, the year 2 BC is numbered −1, and in general the year n BC/BCE is numbered "−(n − 1)" [1] (a negative number equal to 1 − n). The numbers of AD/CE years are not changed and are written with ...

  6. Template:Ab urbe condita date - Wikipedia

    en.wikipedia.org/wiki/Template:Ab_urbe_condita_date

    alone: Display only the number of years and the calendar era according to the |main= parameter : E.g.: "AUC 964" number: Display only a natural number without any era: If |1= is a Gregorian year, the number returned equals the value of that year in the astronomical calendar plus 753; if |1= is an year Ab Urbe Condita, the number returned equals exactly the value of that year in the ...

  7. Before Present - Wikipedia

    en.wikipedia.org/wiki/Before_Present

    2251 BC: 4200 BP Beginning of the Meghalayan age, the current and latest of the three stages in the Holocene era. [22] [23] 45 BC: 1994 BP Introduction of the Julian calendar: 1 BC: 1950 BP Year zero in ISO 8601: AD 1: 1949 BP Beginning of the Common Era and Anno Domini, from the estimate by Dionysius of the Incarnation of Jesus: 1582 368 BP

  8. History of calculus - Wikipedia

    en.wikipedia.org/wiki/History_of_calculus

    The ancient period introduced some of the ideas that led to integral calculus, but does not seem to have developed these ideas in a rigorous and systematic way. . Calculations of volumes and areas, one goal of integral calculus, can be found in the Egyptian Moscow papyrus (c. 1820 BC), but the formulas are only given for concrete numbers, some are only approximately true, and they are not ...

  9. List of time periods - Wikipedia

    en.wikipedia.org/wiki/List_of_time_periods

    Ancient history – Aggregate of past events from the beginning of recorded human history and extending as far as the Early Middle Ages or the Postclassical Era. The span of recorded history is roughly five thousand years, beginning with the earliest linguistic records in the third millennium BC in Mesopotamia and Egypt .