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  2. Experience point - Wikipedia

    en.wikipedia.org/wiki/Experience_point

    The term "experience point" was introduced by Gary Gygax and Dave Arneson in the creation of Dungeons & Dragons.Arneson introduced a level-up system while playing a modification of Chainmail, for which Gygax was a co-author. [2]

  3. Experience modifier - Wikipedia

    en.wikipedia.org/wiki/Experience_modifier

    An experience modifier of 1 would be applied for an employer that had demonstrated the actuarially expected performance. Poorer loss experience leads to a modifier greater than 1, and better experience to a modifier less than 1. The loss experience used in determining the modifier typically comprises three years but excluding the immediate past ...

  4. List of Roblox games - Wikipedia

    en.wikipedia.org/wiki/List_of_Roblox_games

    Rift Royale is a battle royale game developed by Easy.gg, the developers behind BedWars and Islands. The game was inspired by Fortnite Battle Royale, and was an attempt to create an "awesome competitive game" within the Roblox platforms limitations. In August 2022, the game was shut down following a mass wave of exploiters rendering the game ...

  5. User experience evaluation - Wikipedia

    en.wikipedia.org/wiki/User_experience_evaluation

    Methods also differ if they are to measure a momentary or episodic experience (i.e., assessing how a person feels about a specific interaction episode or after executing a task) or an experience over time, also known as an longitudinal experience. UXA methods can be classified in three categories: implicit, explicit and creative methods.

  6. Multi-objective optimization - Wikipedia

    en.wikipedia.org/wiki/Multi-objective_optimization

    Multi-objective optimization or Pareto optimization (also known as multi-objective programming, vector optimization, multicriteria optimization, or multiattribute optimization) is an area of multiple-criteria decision making that is concerned with mathematical optimization problems involving more than one objective function to be optimized simultaneously.

  7. Elo rating system - Wikipedia

    en.wikipedia.org/wiki/Elo_rating_system

    Performance rating or special rating is a hypothetical rating that would result from the games of a single event only. Some chess organizations [16]: p. 8 use the "algorithm of 400" to calculate performance rating. According to this algorithm, performance rating for an event is calculated in the following way:

  8. Modular exponentiation - Wikipedia

    en.wikipedia.org/wiki/Modular_exponentiation

    c = b e mod m = d −e mod m, where e < 0 and b ⋅ d ≡ 1 (mod m). Modular exponentiation is efficient to compute, even for very large integers. On the other hand, computing the modular discrete logarithm – that is, finding the exponent e when given b , c , and m – is believed to be difficult.

  9. January 1963 - Wikipedia

    en.wikipedia.org/wiki/January_1963

    The Battle of Ap Bac in South Vietnam began, and was the first time that Viet Cong forces stood and fought against a major South Vietnamese attack. At the outset, Viet Cong ground fire shot down a United States Army UH-1 attack helicopter and four U.S. Army CH-21 transport helicopters as they arrived at their landing zone.