Sector
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The sector is a hinged rule with scales used for various mathematical calculations.
Keywords
Ruler, scales, squares, sector, proportion, Division, trigonometry, multiplication, mathematics, math tool, solving, hinged rule, mathematical tool, calculations, cube roots, proportional compass, military compassGalleries
Miscellaneous Math ToolsSource
William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)
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