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  2. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in US patent 2950048A, granted on 23 August 1960. [ 1]

  3. AP European History - Wikipedia

    en.wikipedia.org/wiki/AP_European_History

    The Free Response sections of the test offer some choice. [5] Short Answer Question (SAQ): (complete 3 of 4) Two questions spanning 1600-2001 (both mandatory) Choice between questions Q3 (periods 1 and 2) and Q4 (periods 3 and 4) Long Essay Question (LEQ): (complete 1 of 3) Choice between questions Q1 (period 1), Q2 (periods 2 and 3) and Q3 ...

  4. SEAL Delivery Vehicle - Wikipedia

    en.wikipedia.org/wiki/SEAL_Delivery_Vehicle

    SEAL team personal weapons, limpet mines [ 7] Notes. Specifications are given for Mark 8 SDV. The SEAL Delivery Vehicle ( SDV) is a crewed submersible and a type of swimmer delivery vehicle used to deliver United States Navy SEALs and their equipment for special operations missions. It is operated by SEAL Delivery Vehicle Teams.

  5. AOL Mail

    mail.aol.com

    Explore our AOL Mail product page to learn even more. Start for free. Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. 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 ...

  7. Modulo - Wikipedia

    en.wikipedia.org/wiki/Modulo

    In computing, the modulo operation returns the remainder or signed remainder of a division, after one number is divided by another, called the modulus of the operation.. Given two positive numbers a and n, a modulo n (often abbreviated as a mod n) is the remainder of the Euclidean division of a by n, where a is the dividend and n is the divisor.

  8. Modular multiplicative inverse - Wikipedia

    en.wikipedia.org/wiki/Modular_multiplicative_inverse

    Modular multiplicative inverse. In mathematics, particularly in the area of arithmetic, a modular multiplicative inverse of an integer a is an integer x such that the product ax is congruent to 1 with respect to the modulus m. [ 1] In the standard notation of modular arithmetic this congruence is written as.

  9. MOD Boscombe Down - Wikipedia

    en.wikipedia.org/wiki/MOD_Boscombe_Down

    MoD Boscombe Down (ICAO: EGDM) is the home of a military aircraft testing site, on the south-eastern outskirts of the town of Amesbury, Wiltshire, England.The site is managed by QinetiQ, [2] the private defence company created as part of the breakup of the Defence Evaluation and Research Agency (DERA) in 2001 by the UK Ministry of Defence (MoD).