Simmering is the 11th district of Vienna, the capital of Austria. It is the part of town travellers arriving at Schwechat Airport invariably have to cross on their way to the city. Simmering's most striking feature is probably the largest cemetery in Vienna, the Zentralfriedhof (http://www.xs4all.nl/~androom/dead/zentral.htm), opened in 1874, with lots of Ehrengräber (Brahms, Beethoven, Schönberg, Schubert and "the waltz king" Johann Strauß are interred there).
... the parabola does not intersect the x-axis at all.)
Note that when computing roots numerically, the usual form of the quadratic formula is not ideal. See Loss of ...