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  2. Modular multiplicative inverse - Wikipedia

    en.wikipedia.org/wiki/Modular_multiplicative_inverse

    However, the linear congruence 4x ≡ 6 (mod 10) has two solutions, namely, x = 4 and x = 9. The gcd(4, 10) = 2 and 2 does not divide 5, but does divide 6. Since gcd(3, 10) = 1, the linear congruence 3x ≡ 1 (mod 10) will have solutions, that is, modular multiplicative inverses of 3 modulo 10 will exist. In fact, 7 satisfies this congruence (i ...

  3. Modular arithmetic - Wikipedia

    en.wikipedia.org/wiki/Modular_arithmetic

    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. The modern approach to modular arithmetic was developed by Carl Friedrich Gauss in his book Disquisitiones ...

  4. List of cohomology theories - Wikipedia

    en.wikipedia.org/wiki/List_of_cohomology_theories

    For ko, the coefficient ring is the quotient of a polynomial ring on three generators, η in dimension 1, x 4 in dimension 4, and v 1 4 in dimension 8, the periodicity generator, modulo the relations that 2η = 0, x 4 2 = 4v 1 4, η 3 = 0, and ηx = 0. Roughly speaking, this is K-theory with the negative dimensional parts killed off.

  5. Modulo - Wikipedia

    en.wikipedia.org/wiki/Modulo

    The properties involving multiplication, division, and exponentiation generally require that a and n are integers. Identity: (a mod n) mod n = a mod n. nx mod n = 0 for all positive integer values of x. If p is a prime number which is not a divisor of b, then abp−1 mod p = a mod p, due to Fermat's little theorem.

  6. Channel 36 digital TV stations in the United States - Wikipedia

    en.wikipedia.org/wiki/Channel_36_digital_TV...

    The following television stations broadcast on digital channel 36 in the United States: [1][2][3] K36AB-D in Lawton, Oklahoma. K36AC-D in Yuma, Colorado, on virtual channel 47, which rebroadcasts K21NZ-D. K36AE-D in Clarkdale, Arizona, on virtual channel 10, which rebroadcasts KSAZ-TV. K36AI-D in Parowan/Enoch, etc., Utah.

  7. Mark 36 SRBOC - Wikipedia

    en.wikipedia.org/wiki/Mark_36_SRBOC

    Two Mark 36 Mod 7 SRBOC launchers aboard the battleship USS Wisconsin during Operation Desert Storm.. The BAE Systems Mark 36 Super Rapid Bloom Offboard Countermeasures Chaff and Decoy Launching System (abbreviated as SRBOC or "Super-arboc") is an American short-range decoy launching system (DLS) that launches radar or infrared decoys from naval vessels to foil incoming anti-ship missiles.

  8. Pandur I (6×6) - Wikipedia

    en.wikipedia.org/wiki/Pandur_I_(6×6)

    It is known as "Zukünftiges System Indirektes Feuer kleiner Reichweite" (ZukSysIndF kRw), and up to 120 such systems are expected to be purchased, and based on the TPz Fuchs successor, so potentially the Pandur Evo 6×6. [33] Slovenia (14) Slovenian army requested 14 new Pandur EVO in late 2019.

  9. 1 + 2 + 3 + 4 + ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E...

    The partial sums of the series 1 + 2 + 3 + 4 + 5 + 6 + ⋯ are 1, 3, 6, 10, 15, etc.The nth partial sum is given by a simple formula: = = (+). This equation was known ...