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  2. Prehn's sign - Wikipedia

    en.wikipedia.org/wiki/Prehn's_sign

    According to Prehn's sign, the physical lifting of the testicles relieves the pain of epididymitis but not pain caused by testicular torsion. [ 4 ] Negative Prehn's sign indicates no pain relief with lifting the affected testicle, which points towards testicular torsion which is a surgical emergency and must be relieved within 6 hours.

  3. Sign (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Sign_(mathematics)

    In addition to the sign of a real number, the word sign is also used in various related ways throughout mathematics and other sciences: Words up to sign mean that, for a quantity q, it is known that either q = Q or q = −Q for certain Q. It is often expressed as q = ±Q. For real numbers, it means that only the absolute value |q| of the ...

  4. Negative number - Wikipedia

    en.wikipedia.org/wiki/Negative_number

    if a is positive, then the sign of a × b is the same as the sign of b, and if a is negative, then the sign of a × b is the opposite of the sign of b . The justification for why the product of two negative numbers is a positive number can be observed in the analysis of complex numbers .

  5. Brainly - Wikipedia

    en.wikipedia.org/wiki/Brainly

    Brainly is an education company based in Kraków, Poland, with headquarters in New York City.It is an AI-powered homework help platform targeting students and parents. As of November 2020, Brainly reported having 15 million daily active users, making it the world's most popular education app. [2] In 2024, FlexOS reported Brainly as the #1 Generative AI Tool in the education category and the #6 ...

  6. Positive semidefinite - Wikipedia

    en.wikipedia.org/wiki/Positive_semidefinite

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  7. Lao kip - Wikipedia

    en.wikipedia.org/wiki/Lao_kip

    In 1957, the government issued notes denominated solely in kip. The notes were for 1, 5, 10, 20 and 50 kip printed by the Security Banknote Company, 100 kip printed by the Banque de France and a commemorative 500 kip printed by De La Rue. 1 and 5 kip notes printed by Bradbury & Wilkinson, as well as 10 kip notes by De La Rue were introduced in ...

  8. Psychological effects of Internet use - Wikipedia

    en.wikipedia.org/wiki/Psychological_effects_of...

    However, when the Internet is used as a social medium (either online gaming or social networking sites) there is a positive correlation between the use of the Internet and family conflicts. In conjunction with using the Internet for social means, there is a risk of exposing familial information to strangers, which is perceived to parents as a ...

  9. Phren - Wikipedia

    en.wikipedia.org/wiki/Phren

    Phren, however, is not exclusively applied to humans. In Empedocles' system, Phren is a general psychological agent to which moral blame and praise can be extended, [ 4 ] that darts through the universe as effluences, steers and controls the cosmos in the process and is the measure of what is harmonious and what is fit to exist. [ 5 ]