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1. en.wikipedia.org › wiki › History_of_logarithmsHistory of logarithms - Wikipedia

Napier imagined a point P travelling across a line segment P0 to Q. Starting at P0, with a certain initial speed, P travels at a speed proportional to its distance to Q, causing P to never reach Q. Napier juxtaposed this figure with that of a point L travelling along an unbounded line segment, starting at L0, and with a constant speed equal to that of the initial speed of point P. Napier ...

3. www.britannica.com › biography › John-NapierJohn Napier | Scottish mathematician | Britannica

John Napier, Napier also spelled Neper, (born 1550, Merchiston Castle, near Edinburgh, Scot.—died April 4, 1617, Merchiston Castle), Scottish mathematician and theological writer who originated the concept of logarithms as a mathematical device to aid in calculations. At the age of 13, Napier entered the University of St. Andrews, but his stay appears to have been short, and he left without ...

4. www.britannica.com › science › logarithmlogarithm | Rules, Examples, & Formulas | Britannica

logarithm, the exponent or power to which a base must be raised to yield a given number. Expressed mathematically, x is the logarithm of n to the base b if bx = n, in which case one writes x = logb n. For example, 23 = 8; therefore, 3 is the logarithm of 8 to base 2, or 3 = log2 8. In the same fashion, since 102 = 100, then 2 = log10 100. Logarithms of the latter sort (that is, logarithms with ...

5. hu.wikipedia.org › wiki › Február_28Február 28. – Wikipédia

1552 – Jobst Bürgi vagy Joost Bürgi svájci órásmester és matematikus († 1632) 1553 – Michel de Montaigne francia író, filozófus († 1592) 1672 – Aachs Mihály magyar író, iskolaigazgató († 1711) 1683 – René Antoine Ferchault de Réaumur francia természettudós († 1757) 1743 – René Just Haüy francia mineralógus ...

6. de.wikipedia.org › wiki › Kategorie:Maler_des_BarockKategorie:Maler des Barock – Wikipedia

Kategoriesystem Biografien: Person-Unterkategorien • Portal • Inhaltliche Fragen zu historischen Personen

7. es.wikipedia.org › wiki › SegundoSegundo - Wikipedia, la enciclopedia libre

En 1579, el relojero y fabricante de instrumentos suizo Joost Bürgi diseñó un reloj para Landgrave Guillermo IV, que mostraba segundos. [12] En 1581, el erudito danés Tycho Brahe rediseñó los relojes de su observatorio, que mostraban minutos, para que comenzaran a mostrar segundos.