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  2. 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.

  3. Cryptographic hash function - Wikipedia

    en.wikipedia.org/wiki/Cryptographic_hash_function

    Collisions against the full SHA-1 algorithm can be produced using the shattered attack and the hash function should be considered broken. SHA-1 produces a hash digest of 160 bits (20 bytes). Documents may refer to SHA-1 as just "SHA", even though this may conflict with the other Secure Hash Algorithms such as SHA-0, SHA-2, and SHA-3.

  4. 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 ...

  5. Modulo - Wikipedia

    en.wikipedia.org/wiki/Modulo

    [1] For example, the expression "5 mod 2" evaluates to 1, because 5 divided by 2 has a quotient of 2 and a remainder of 1, while "9 mod 3" would evaluate to 0, because 9 divided by 3 has a quotient of 3 and a remainder of 0. Although typically performed with a and n both being integers, many computing systems now allow other types of numeric ...

  6. AP Calculus - Wikipedia

    en.wikipedia.org/wiki/AP_Calculus

    AP Calculus AB is an Advanced Placement calculus course. It is traditionally taken after precalculus and is the first calculus course offered at most schools except for possibly a regular or honors calculus class.

  7. List of Source mods - Wikipedia

    en.wikipedia.org/wiki/List_of_Source_mods

    The mod won ModDB 2010 Mod of the Year awards for Best Original Art, [8] Best Singleplayer Mod [9] and Player's Choice Mod of the Year [10] categories, eventually winning 2nd place at the latter. Operation Black Mesa - An upcoming remake of the Half-Life expansion Opposing Force developed by Tripmine Studio.

  8. Moving average - Wikipedia

    en.wikipedia.org/wiki/Moving_average

    Smoothing of a noisy sine (blue curve) with a moving average (red curve). In statistics, a moving average (rolling average or running average or moving mean [1] or rolling mean) is a calculation to analyze data points by creating a series of averages of different selections of the full data set.

  9. Twelfth grade - Wikipedia

    en.wikipedia.org/wiki/Twelfth_grade

    The other grades are still the same as before (Grade 1 to Fourth Year), while the last to use this system is SY 2016–2017. By the said school year, Grade 6 is the only grade that is still under the 1945 K–10 system, while the rest are now under K–12. [16] Subjects on Grade 12 are enrolled on a semestral basis as in Grade 11.