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  2. Academic grading in the United States - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_the...

    Below is the grading system found to be most commonly used in United States public high schools, according to the 2009 High School Transcript Study. [2] This is the most used grading system; however, there are some schools that use an edited version of the college system, which means 89.5 or above becomes an A average, 79.5 becomes a B, and so on.

  3. Learning classifier system - Wikipedia

    en.wikipedia.org/wiki/Learning_classifier_system

    A step-wise schematic illustrating a generic Michigan-style learning classifier system learning cycle performing supervised learning. Keeping in mind that LCS is a paradigm for genetic-based machine learning rather than a specific method, the following outlines key elements of a generic, modern (i.e. post-XCS) LCS algorithm.

  4. Kamala Harris 2024 presidential campaign - Wikipedia

    en.wikipedia.org/wiki/Kamala_Harris_2024...

    Harris stated she believes the immigration system is "broken" and needs to be fixed, and that she thinks most Americans also believe this. [19] Her campaign video introduced on July 30, 2024, says, "Kamala Harris supports increasing the number of Border Patrol agents" and paints Trump as unserious on border security.

  5. Blackboard - Wikipedia

    en.wikipedia.org/wiki/Blackboard

    Stick-slip effect with a chalk on a blackboard. Chalk sticks are produced in white and in various colours, especially for use with blackboards. White chalk sticks are made mainly from calcium carbonate derived from mineral chalk or limestone, while coloured chalk sticks are made from calcium sulphate in its dihydrate form, CaSO 4 ·2H 2 O, derived from gypsum.

  6. Online learning in higher education - Wikipedia

    en.wikipedia.org/wiki/Online_learning_in_higher...

    Online Learning via Learning Management System. Online learning involves courses offered by primary institutions that are 100% virtual. Online learning, or virtual classes offered over the internet, is contrasted with traditional courses taken in a brick-and-mortar school building.

  7. Leapster - Wikipedia

    en.wikipedia.org/wiki/Leapster

    The Leapster Learning Game System (previously known as the Leapster Multimedia Learning System) is an educational handheld game console aimed at 4- to 10–11-year-olds (preschool to fourth grade or fifth grade), made by LeapFrog Enterprises.

  8. Sildenafil (Generic Viagra) 2024: Where to Buy It Online

    www.healthline.com/health/mens-health/generic-viagra

    Generic Viagra, known as sildenafil, is an alternative to the branded drug Viagra that can be used to treat erectile dysfunction (ED) and is available online at a fraction of the price.

  9. Knowledge-based systems - Wikipedia

    en.wikipedia.org/wiki/Knowledge-based_systems

    knowledge-based: refers only to the system's architecture – it represents knowledge explicitly, rather than as procedural code; Today, virtually all expert systems are knowledge-based, whereas knowledge-based system architecture is used in a wide range of types of system designed for a variety of tasks.