pCenturies: 18th century - 19th century - 20th century
Decades: 1820s 1830s 1840s 1850s 1860s - 1870s - 1880s 1890s 1900s 1910s 1920s
Years: 1866 1867 1868 1869 1870 - 1871 - 1872 1873 1874 1875 1876
Arts, Sciences, Literature and Philosophy
Could somebody who knows how please write out the distance formula in symbols, too, just for clarity? I read ...
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