This page indexes the individual year in film pages. Each year is annotated with a significant event as a reference point.
2000s
1990s
1980s
1970s
1960s
1950s
1940s
1930s
1910s
1900s
19th century
External link
... touches the x-axis in a single point.) If the discriminant is positive, then there are two different solutions x, both of which are real. (Geometrically, this means ...