Decades: 860s 870s 880s 890s 900s - 910s - 920s 930s 940s 950s 960s
Years: 906 907 908 909 910 - 911 - 912 913 914 915 916
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... when computing roots numerically, the usual form of the quadratic formula is not ideal. See Loss of significance for details. Derivation The quadratic formula is ...