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  2. Advanced Placement exams - Wikipedia

    en.wikipedia.org/wiki/Advanced_Placement_exams

    Advanced Placement (AP) examinations are exams offered in United States by the College Board and are taken each May by students. The tests are the culmination of year-long Advanced Placement (AP) courses, which are typically offered at the high school level. AP exams (with few exceptions [1]) have a multiple-choice section and a free-response ...

  3. Modular arithmetic - Wikipedia

    en.wikipedia.org/wiki/Modular_arithmetic

    Time-keeping on this clock uses arithmetic modulo 12. Adding 4 hours to 9 o'clock gives 1 o'clock, since 13 is congruent to 1 modulo 12. In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" when reaching a certain value, called the modulus.

  4. List of unsolved problems in mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential equations.

  5. Portal:Current events - Wikipedia

    en.wikipedia.org/wiki/Portal:Current_events

    Apollo-type asteroid 2024 YR4 triggers global planetary defence procedures for the first time and rises to the top of the Palermo Technical Impact Hazard Scale after recent observations confirmed it has a 1-in-77 (1.3%) chance of impacting Earth on 22 December 2032. Follow up observations in 2028 will provide a more refined estimation of the ...

  6. List of American independent films - Wikipedia

    en.wikipedia.org/wiki/List_of_American...

    The American independent film, prior to the 1980s and first half of the 1990s, [19] [20] [11] was previously associated with race films, [21] Poverty Row b movies (e.g. Republic Pictures [22] [23]), exploitation films, avant-garde underground cinema (when it was known as the New American Cinema [24] [25]), social and political documentaries, experimental animated shorts (since the mid-1930s ...

  7. Drake (musician) - Wikipedia

    en.wikipedia.org/wiki/Drake_(musician)

    He lived on Weston Road in Toronto's working-class west end until grade six and attended Weston Memorial Junior Public School until grade four, playing minor hockey with the Weston Red Wings. [ 31 ] [ 35 ] Drake was a promising right winger , reaching the Upper Canada College hockey camp, but left at the behest of his mother following a vicious ...

  8. Mk 12 Special Purpose Rifle - Wikipedia

    en.wikipedia.org/wiki/Mk_12_Special_Purpose_Rifle

    The SPR/A, SPR/B, and Mk 12 MOD 1 use ARMS #22 high rings, while due to the increased height from the SWAN Sleeve, the SPR and Mk 12 MOD 0/H use ARMS #22 medium rings. An under-the-handguard ARMS #32 Throwlever mount is used to mount the Harris bipod (the ARMS #42 Throwlever mount is used to mount the Versa-Pod); this features a quick release ...

  9. Donington Park - Wikipedia

    en.wikipedia.org/wiki/Donington_Park

    The Donington Circuit layout in 1937. Donington Park is a motorsport circuit located near Castle Donington in Leicestershire, England.The circuit business is now owned by Jonathan Palmer's MotorSport Vision organisation, and the surrounding Donington Park Estate, still owned by the Wheatcroft family, is currently under lease by MotorSport Vision until 2038. [1]