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  2. Quadratic equation - Wikipedia

    en.wikipedia.org/wiki/Quadratic_equation

    Figure 1. Plots of quadratic function y = ax 2 + bx + c, varying each coefficient separately while the other coefficients are fixed (at values a = 1, b = 0, c = 0). A quadratic equation whose coefficients are real numbers can have either zero, one, or two distinct real-valued solutions, also called roots.

  3. Rate pressure product - Wikipedia

    en.wikipedia.org/wiki/Rate_pressure_product

    The calculation formula is: Rate Pressure Product (RPP) = Heart Rate (HR) * Systolic Blood Pressure (SBP) The units for the Heart Rate are beats per minute and for the Blood Pressure mmHg . Rate pressure product is a measure of the stress put on the cardiac muscle based on the number of times it needs to beat per minute (HR) and the arterial ...

  4. File:LillsQuadratic.svg - Wikipedia

    en.wikipedia.org/wiki/File:LillsQuadratic.svg

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  5. RPP - Wikipedia

    en.wikipedia.org/wiki/RPP

    RPP may refer to: Academic journals. Review of Philosophy and Psychology; Review of Particle Physics, a Particle Data Group publication; People.

  6. Sigma - Wikipedia

    en.wikipedia.org/wiki/Sigma

    The letter Sigma. Sigma (/ ˈ s ɪ ɡ m ə / SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; Ancient Greek: σίγμα) is the eighteenth letter of the Greek alphabet.

  7. List of U.S. states and territories by GDP - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._states_and...

    The following list includes the annual nominal gross domestic product for each of the 50 U.S. states and the national capital of Washington, D.C. and the GDP change and GDP per capita as of 2024.

  8. Planck constant - Wikipedia

    en.wikipedia.org/wiki/Planck_constant

    The Planck constant, or Planck's constant, denoted by , [1] is a fundamental physical constant [1] of foundational importance in quantum mechanics: a photon's energy is equal to its frequency multiplied by the Planck constant, and the wavelength of a matter wave equals the Planck constant divided by the associated particle momentum.

  9. Pakistan - Wikipedia

    en.wikipedia.org/wiki/Pakistan

    Pakistan, [e] officially the Islamic Republic of Pakistan, [f] is a country in South Asia.It is the fifth-most populous country, with a population of over 241.5 million, [g] having the second-largest Muslim population as of 2023.