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  2. Philippine one-centavo coin - Wikipedia

    en.wikipedia.org/wiki/Philippine_one-centavo_coin

    The one-sentimo coin (1¢) is the smallest-denomination coin of the Philippine peso. It has been issued since 1903 during American rule. [ 1 ] It became the smallest unit of currency following the removal of the half-centavo in 1908.

  3. Philippine peso - Wikipedia

    en.wikipedia.org/wiki/Philippine_peso

    The Philippine peso has since traded versus the U.S. dollar in a range of ₱24–46 from 1993 to 1999, ₱40–56 from 2000 to 2009, and ₱40–54 from 2010 to 2019. The previous 1903–1934 definition of a peso as 12.9 grains of 0.9 gold (or 0.0241875 XAU) is now worth ₱2,266.03 based on gold prices as of November 2021.

  4. New Generation Currency Series - Wikipedia

    en.wikipedia.org/wiki/New_Generation_Currency_Series

    In 2007, Bangko Sentral ng Pilipinas (BSP) began the 12-year demonetization process of the New Design Series when the New Generation Currency (NGC) project was started the formal conceptualization process, which was a meeting of the minds of people with diverse backgrounds and ideas: central bankers, artists, technocrats, historians, communication experts, and currency printers to further ...

  5. Minute and second of arc - Wikipedia

    en.wikipedia.org/wiki/Minute_and_second_of_arc

    General information; Unit system: Non-SI units mentioned in the SI: Unit of: Angle: Symbol ′, arcmin In units: Dimensionless with an arc length of approx. ≈ ⁠ 0.2909 / 1000 ⁠ of the radius, i.e. 0.2909 ⁠ mm / m ⁠

  6. Logarithmic scale - Wikipedia

    en.wikipedia.org/wiki/Logarithmic_scale

    Semi-log plot of the Internet host count over time shown on a logarithmic scale. A logarithmic scale (or log scale) is a method used to display numerical data that spans a broad range of values, especially when there are significant differences between the magnitudes of the numbers involved.

  7. Helmert transformation - Wikipedia

    en.wikipedia.org/wiki/Helmert_transformation

    Convert from geodetic coordinates to geocentric coordinates: Calculation of x, y and z relative to the reference ellipsoid of surveying 7-parameter transformation (where x , y and z almost always change by a few hundred metres at most, and distances by a few mm per km).

  8. AC power plugs and sockets: British and related types

    en.wikipedia.org/wiki/AC_power_plugs_and_sockets:...

    The International Electrotechnical Commission publishes IEC 60050, the International Electrotechnical Vocabulary. [2]Generally the plug is the movable connector attached to an electrically operated device's mains cable, and the socket is fixed on equipment or a building structure and connected to an energised electrical circuit.

  9. Strain rate - Wikipedia

    en.wikipedia.org/wiki/Strain_rate

    In mechanics and materials science, strain rate is the time derivative of strain of a material. Strain rate has dimension of inverse time and SI units of inverse second, s −1 (or its multiples).