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"
... formula reads
<math>
x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}
</math>
The term b2 – 4ac is called the discriminant of the quadratic equation, because it ...