• Thumbnail for Neper
    The neper (symbol: Np) is a logarithmic unit for ratios of measurements of physical field and power quantities, such as gain and loss of electronic signals...
    8 KB (886 words) - 15:39, 24 May 2025
  • Thumbnail for Neper (mythology)
    In ancient Egyptian religion, Neper (alts. Nepra or Nepri) was a god of grain. His female counterpart was Nepit, the goddess of grain. His consort may...
    2 KB (244 words) - 01:13, 16 February 2025
  • Thumbnail for Neper (crater)
    Neper is an old lunar impact crater located near the eastern limb of the Moon. Due to its location the crater must be viewed during a suitable libration...
    6 KB (464 words) - 02:10, 26 January 2024
  • Thumbnail for John Napier
    John Napier (redirect from John Neper)
    John Napier of Merchiston (/ˈneɪpiər/ NAY-pee-ər; Latinized as Ioannes Neper; 1 February 1550 – 4 April 1617), nicknamed Marvellous Merchiston, was a...
    33 KB (4,196 words) - 13:23, 17 July 2025
  • Neper is a logarithmic unit of ratio. Neper may also refer to: John Napier, a Scottish mathematician Neper (crater), a lunar impact crater Neper (mythology)...
    267 bytes (61 words) - 05:33, 13 August 2014
  • Thumbnail for Spherical trigonometry
    Spherical trigonometry is the branch of spherical geometry that deals with the metrical relationships between the sides and angles of spherical triangles...
    40 KB (6,765 words) - 00:58, 29 July 2025
  • Thumbnail for Logarithmic scale
    earthquakes and movement in the Earth Sound level, with the unit decibel Neper for amplitude, field and power quantities Frequency level, with units cent...
    13 KB (1,203 words) - 15:27, 11 July 2025
  • one-tenth of a bel: 1 dB = 0.1 B. The bel (B) is 1⁄2 ln(10) nepers: 1 B = 1⁄2 ln(10) Np. The neper is the change in the level of a root-power quantity when...
    80 KB (9,537 words) - 22:43, 23 July 2025
  • Thumbnail for Virchow (crater)
    that is located on the northwestern interior floor of the prominent crater Neper. The latter formation lies near the eastern limb of the Moon, along the...
    4 KB (383 words) - 06:28, 12 April 2024
  • Thumbnail for Tacchini (crater)
    Tacchini. It lies just to the south of the prominent crater Neper, and was designated Neper K before being given its current name by the IAU. To the west-southwest...
    5 KB (377 words) - 08:05, 20 July 2025
  • Thumbnail for Theiler (crater)
    the western Mare Marginis. To the southeast is the prominent walled plain Neper. Due to its location, Theiler is not always visible to observers on the...
    4 KB (298 words) - 16:00, 10 April 2024
  • Thumbnail for Renard series
    metric sizes 1-2-5 series E series (preferred numbers) Logarithm Decibel Neper Phon Nominal Pipe Size (NPS) Geometric progression ISO 3:1973-04 - Preferred...
    26 KB (1,917 words) - 12:24, 12 February 2025
  • Thumbnail for Hapi (Nile god)
    considered a "friend of Geb", the Egyptian god of the earth, and the "lord of Neper", the god of grain. Although male and wearing the false beard, Hapi was...
    7 KB (716 words) - 20:42, 19 June 2025
  • Thumbnail for Phon
    Logarithmen, Normzahlen, Dezibel, Neper, Phon - natürlich verwandt! [Logarithms, preferred numbers, decibel, neper, phon - naturally related!] (PDF) (in...
    4 KB (484 words) - 08:22, 5 May 2024
  • the original on 16 November 2022. Retrieved 15 November 2022. "Udhëtim nëpër fjalorin e Kosovës". Telegrafi (in Albanian). 19 July 2019. Archived from...
    374 KB (18,628 words) - 23:48, 2 August 2025
  • part of the propagation constant and is measured using the unit neper per metre. A neper is approximately 8.7 dB. Attenuation constant can be defined by...
    16 KB (2,360 words) - 19:18, 20 June 2025
  • of a sound relative to a reference value. It is denoted LI, expressed in nepers, bels, or decibels, and defined by L I = 1 2 ln ⁡ ( I I 0 ) N p = log 10...
    11 KB (1,604 words) - 22:22, 11 July 2025
  • semiconductor device Neopentane, the simplest double-branched-chain alkane Neper (Np), a logarithmic unit for ratios Neptunium, a chemical element with symbol...
    2 KB (285 words) - 20:59, 17 November 2024
  • Thumbnail for Preferred number
    Logarithmen, Normzahlen, Dezibel, Neper, Phon - natürlich verwandt! [Logarithms, preferred numbers, decibel, neper, phon - naturally related!] (PDF) (in...
    24 KB (2,836 words) - 12:57, 1 August 2025
  • particle velocity; v0 is the reference particle velocity; 1 Np = 1 is the neper; 1 B = ⁠1/2⁠ ln 10 is the bel; 1 dB = ⁠1/20⁠ ln 10 is the decibel. The commonly...
    7 KB (1,168 words) - 07:32, 1 March 2025
  • mean square sound pressure, p0 is a reference sound pressure, 1 Np is the neper, 1 B = (⁠1/2⁠ ln 10) Np is the bel, 1 dB = (⁠1/20⁠ ln 10) Np is the decibel...
    28 KB (3,053 words) - 13:23, 12 July 2025
  • John Napier Napierian logarithm Natural logarithm Natural logarithm of 2 Neper Offset logarithmic integral pH Pollard's kangaroo algorithm Pollard's rho...
    3 KB (230 words) - 13:13, 22 February 2025
  • Thumbnail for RLC circuit
    stimulus has been removed. Neper occurs in the name because the units can also be considered to be nepers per second, neper being a logarithmic unit of...
    44 KB (6,658 words) - 17:40, 25 June 2025
  • Thumbnail for Mare Marginis
    the western portion of Mare Marginis. The large crater to the south is Neper. View from Apollo 16, with north in upper left. These are three views of...
    4 KB (518 words) - 20:37, 6 March 2024
  • Thumbnail for Sabatier (crater)
    relatively isolated area, with the nearest named crater being the walled plain Neper to the southeast. This is a nearly circular formation, with a low outer...
    4 KB (312 words) - 07:03, 22 July 2025
  • inverse of the conductor's resistance), etc., with commonly used units neper (Np) or decibel (dB). The type of level and choice of units indicate the...
    9 KB (1,123 words) - 14:37, 7 June 2025
  • Thumbnail for Tayt
    Tayet, and Taytet) was an Egyptian goddess. Some attest her husband was Neper while others state she was possibly the consort of Hedjhotep. Tayt was the...
    5 KB (608 words) - 23:54, 6 July 2025
  • Thumbnail for Isis
    Nebethetepet Nebnerou Nebtuwi Nefertem Nehebkau Nehmetawy Neith Nekhbet Nemty Neper Nepit O Onuris P Pakhet Panebtawy Perit Petbe Peteese Pihor Ptah Ptahhotep...
    127 KB (16,525 words) - 17:36, 26 July 2025
  • Thumbnail for Mare Smythii
    probably a result of uplift from injection of magma below the mare. The crater Neper is located to the north of the mare. This crater makes up part of the southern...
    6 KB (561 words) - 02:07, 26 January 2024
  • Thumbnail for Set (deity)
    Nebethetepet Nebnerou Nebtuwi Nefertem Nehebkau Nehmetawy Neith Nekhbet Nemty Neper Nepit O Onuris P Pakhet Panebtawy Perit Petbe Peteese Pihor Ptah Ptahhotep...
    37 KB (4,581 words) - 17:06, 18 July 2025