• A planimeter, also known as a platometer, is a measuring instrument used to determine the area of an arbitrary two-dimensional shape. There are several...
    11 KB (1,571 words) - 07:00, 23 May 2025
  • Thumbnail for Dot planimeter
    A dot planimeter is a device used in planimetrics for estimating the area of a shape, consisting of a transparent sheet containing a square grid of dots...
    10 KB (1,040 words) - 01:56, 17 December 2024
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    century and found application in gunnery, surveying and navigation. The planimeter was a manual instrument to calculate the area of a closed figure by tracing...
    140 KB (14,116 words) - 06:41, 28 July 2025
  • including angles, distances, and areas. To measure planimetrics a planimeter or dot planimeter is used. This rather advanced analog technology is being taken...
    2 KB (238 words) - 17:09, 1 June 2024
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    see Green's theorem § Area calculation.) This is the principle of the planimeter mechanical device. To find the bounded area between two quadratic functions...
    43 KB (5,365 words) - 07:16, 30 April 2025
  • Thumbnail for Jakob Amsler-Laffon
    attribute to either one of them. Jakob Amsler-Laffon invented the polar planimeter in 1854. The instrument consists of a fixed pivot (the "pole"), a two-arm...
    4 KB (507 words) - 20:00, 25 April 2025
  • the plane region D bounded by C, is applied in an instrument known as a planimeter, which is used to calculate the area of a flat surface on a drawing. For...
    76 KB (8,805 words) - 00:56, 6 July 2025
  • Thumbnail for William F. Durand
    mathematically describing a radial planimeter for averaging values plotted in polar coordinates. Originally a radial planimeter was of academic interest only...
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  • Thumbnail for Integral
    two-dimensional shape can be determined using a measuring instrument called planimeter. The volume of irregular objects can be measured with precision by the...
    69 KB (9,288 words) - 03:06, 30 June 2025
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    doi:10.1080/13562570500305052. ISSN 1356-2576. S2CID 143638751. "ACME Planimeter". Archived from the original on 1 October 2005. Retrieved 27 February...
    216 KB (20,344 words) - 06:59, 29 July 2025
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    above integral. A mechanical device that computes area integrals is the planimeter, which measures the area of plane figures by tracing them out: this replicates...
    49 KB (6,702 words) - 16:43, 21 July 2025
  • Thumbnail for Yamaha YZF-R15
    lamp, inverted front suspension fork, all-LED lighting system, full LCD planimeter with shift indicator and wider tyros. A streetfighter variation of the...
    13 KB (1,434 words) - 07:55, 18 July 2025
  • Thumbnail for Arthur Beverly
    Department of Physics at the University of Otago. He also exhibited a planimeter to measure the area of irregular shapes. He was awarded the Makdougall...
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  • Thumbnail for Pick's theorem
    areas of mathematics and computer science. In application areas, the dot planimeter is a transparency-based device for estimating the area of a shape by counting...
    20 KB (2,339 words) - 01:48, 17 December 2024
  • clocks), the astrolabe, slide rules, the governor of a steam engine, the planimeter (a simple device that measures the surface area of a closed shape), Kelvin's...
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    century and found application in gunnery, surveying and navigation. The planimeter was a manual instrument to calculate the area of a closed figure by tracing...
    57 KB (7,061 words) - 22:44, 22 July 2025
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    outwit his imitators; he also refused to disclose the origin of the word. Planimeter Steinhaus longimeter Surveyor's wheel Gerard L'Estrange Turner, Scientific...
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    Engelbart began to ponder how to adapt the underlying principles of the planimeter to inputting X- and Y-coordinate data. On 14 November 1963, he first recorded...
    127 KB (13,640 words) - 19:33, 17 July 2025
  • intelligence by pondering how to adapt the underlying principles of the planimeter to inputting X- and Y-coordinate data, and envisioned something like the...
    23 KB (2,849 words) - 01:24, 26 June 2025
  • instruments such as naval gun directors, flow totalizers and others. A planimeter is a mechanical device used for calculating the definite integral of a...
    9 KB (1,037 words) - 15:04, 24 May 2025
  • (Germany): Adalbert Rente, 1867); see pages 8–9. Mathematics portal Planimeter – Tool for measuring area Method of image charges – A method used in electrostatics...
    23 KB (4,079 words) - 14:46, 30 June 2025
  • Thumbnail for Shoelace formula
    dA={\frac {1}{6}}\left\|\sum _{F}v_{1}\wedge v_{2}\wedge v_{3}\right\|} Planimeter Polygon area Pick's theorem Heron's formula Mathologer video about Gauss's...
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    can be accounted for as negative masses. A direct development of the planimeter known as an integraph, or integerometer, can be used to establish the...
    36 KB (4,872 words) - 09:11, 30 June 2025
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    _{a}^{b}{\bigl (}f(x)-g(x){\bigr )}dx} ). An integraph (a relative of the planimeter) can be used to find the centroid of an object of irregular shape with...
    26 KB (4,241 words) - 20:14, 30 June 2025
  • Thumbnail for Slide rule scale
    See image above of the back of the Aristo slide rule. "Slide Rule and Planimeter Sections". K&E Catalog 42nd Edition. Keuffel and Esser. 1954. p. 279....
    26 KB (1,750 words) - 22:36, 28 January 2025
  • due to the velocity of advance. The areas may be found by means of a planimeter, proper consideration, of course, being given to the scales of values...
    29 KB (4,612 words) - 18:48, 17 June 2025
  • Thumbnail for Keuffel and Esser
    calculating products. Among them were drafting kits and supplies, transits, planimeters, pocket and desk calculators, and fraction adders. By 1930 the K&E catalogue...
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  • greatly improved accuracy of divisions on measuring and mathematical scales Planimeter, a device for measuring area The Construction and Principal Uses of Mathematical...
    3 KB (330 words) - 19:37, 21 November 2024
  • Thumbnail for History of computing
    Several examples of analog computation survived into recent times. A planimeter is a device that does integrals, using distance as the analog quantity...
    59 KB (6,610 words) - 12:49, 17 July 2025
  • Maxwell's, but due to the ease with which areas could be measured with a planimeter, the equal area rule continued to be widely used for many years. Its use...
    36 KB (6,620 words) - 17:48, 22 July 2025