May Department Stores, Mary Livingstone[?] was working as a lingerie salesgirl here when she met her future husband Jack Benny. Later, the department store was used as a setting in his radio and television shows.
Sears & Roebuck[?], later Sears[?], its first mail order catalogs caused prices to drop all over the country, leading to their being called "the great price maker"
... 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 o ...