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  2. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    Often replaced by a horizontal bar. For example, 3 / 2 or . 2. Denotes a quotient structure. For example, quotient set, quotient group, quotient category, etc. 3. In number theory and field theory, / denotes a field extension, where F is an extension field of the field E. 4.

  3. Vector (mathematics and physics) - Wikipedia

    en.wikipedia.org/wiki/Vector_(mathematics_and...

    A vector is what is needed to "carry" the point A to the point B; the Latin word vector means "carrier". [4] It was first used by 18th century astronomers investigating planetary revolution around the Sun. [ 5 ] The magnitude of the vector is the distance between the two points, and the direction refers to the direction of displacement from A ...

  4. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    [2] [3] Historically, the concept of a proof and its associated mathematical rigour first appeared in Greek mathematics , most notably in Euclid 's Elements . [ 4 ] Since its beginning, mathematics was primarily divided into geometry and arithmetic (the manipulation of natural numbers and fractions ), until the 16th and 17th centuries, when ...

  5. 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.

  6. Mathematical and theoretical biology - Wikipedia

    en.wikipedia.org/wiki/Mathematical_and...

    [3] [4] Mathematical biology aims at the mathematical representation and modeling of biological processes, using techniques and tools of applied mathematics. It can be useful in both theoretical and practical research. Describing systems in a quantitative manner means their behavior can be better simulated, and hence properties can be predicted ...

  7. AMOLED - Wikipedia

    en.wikipedia.org/wiki/AMOLED

    4.3 256 RGB S-Stripe Samsung Galaxy S4 Mini: 1280×768 4.5 332 RGBG PenTile: Nokia Lumia 1020: Super AMOLED Plus 800×480 4.3 (4.27) 218 RGB stripe Samsung Galaxy S II: Super AMOLED Advanced 960×540 4.3 256 RGBG PenTile: Motorola Droid RAZR: HD Super AMOLED 1280×800 5.3 (5.29) 285 Samsung Galaxy Note: 1280×720 5.0 295 RGB S-Stripe BlackBerry Z30

  8. Snapchat - Wikipedia

    en.wikipedia.org/wiki/Snapchat

    In 2021, Snap Inc. settled the lawsuit for an undisclosed amount. In June 2021, a month after the 9th Circuit ruling, Snapchat removed the “speed filter”, citing its limited use for its removal. [231] The decision came after mounting pressure from safety advocates, legal experts, and families affected by crashes allegedly linked to the feature.