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  2. Construction estimating software - Wikipedia

    en.wikipedia.org/wiki/Construction_estimating...

    A handwritten spreadsheet. A basic estimating spreadsheet. Cost estimators used columnar sheets of paper to organize the take-off and the estimate itself into rows of items and columns containing the description, quantity and the pricing components. Some of these were similar to accounting ledger paper.

  3. Category:Trebuchets - Wikipedia

    en.wikipedia.org/wiki/Category:Trebuchets

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  4. Floating arm trebuchet - Wikipedia

    en.wikipedia.org/wiki/Floating_arm_trebuchet

    The floating arm trebuchet is a counterweight siege weapon which is a modern variation [1] of the medieval trebuchet. Their defining feature is free movement of an axle on the throwing arm, [2] and a linear drop channel for the counterweight. The design and construction of such machines is a popular project assignment in post-secondary ...

  5. Trebuchet - Wikipedia

    en.wikipedia.org/wiki/Trebuchet

    This is an accepted version of this page This is the latest accepted revision, reviewed on 6 January 2025. Siege engine using long arm to throw projectiles For other uses, see Trebuchet (disambiguation). Replica counterweight trebuchets at Château de Castelnaud Counterweight trebuchet used in a siege from the Jami' al-tawarikh, c. 1306-18 A trebuchet [nb 1] is a type of catapult that uses a ...

  6. List of spreadsheet software - Wikipedia

    en.wikipedia.org/wiki/List_of_spreadsheet_software

    Kingsoft Office Spreadsheets 2012 – For MS Windows. Both free and paid versions are available. It can handle Microsoft Excel .xls and .xlsx files, and also produce other file formats such as .et, .txt, .csv, .pdf, and .dbf. It supports multiple tabs, VBA macro and PDF converting. [10] Lotus SmartSuite Lotus 123 – for MS Windows. In its MS ...

  7. Warwolf - Wikipedia

    en.wikipedia.org/wiki/Warwolf

    The Warwolf, also known as the Loup-de-Guerre or Ludgar, [1] is believed to have been the largest trebuchet ever made. [citation needed] It was created in Scotland by order of Edward I of England, during the siege of Stirling Castle in 1304, as part of the Wars of Scottish Independence. A contemporary chronicle refers to it as une engine ...

  8. Mangonel - Wikipedia

    en.wikipedia.org/wiki/Mangonel

    The mangonel, also called the traction trebuchet, was a type of trebuchet used in Ancient China starting from the Warring States period, and later across Eurasia by the 6th century AD. Unlike the later counterweight trebuchet , the mangonel operated on manpower-pulling cords attached to a lever and sling to launch projectiles.

  9. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    Example of a spreadsheet holding data about a group of audio tracks. A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form. [1] [2] [3] Spreadsheets were developed as computerized analogs of paper accounting worksheets. [4] The program operates on data entered in cells of a table.