Twenty Key Ideas in Beginning Calculus is a color 174 page book written by a high school mathematics teacher who learned how to sequence and present ideas over a 30-year career of teaching grade school mathematics. It is intended to serve as a bridge for beginning calculus students to study independently in preparation for a traditional calculus curriculum or as supplemental material for students who are currently in a calculus class. It is highly visual with 40 supportive images, 100+ cartoons and other illustrations, 110 graphs, and 40+ data tables spread throughout its 174 pages....

The Nazi Party stressed the superiority of Germanic culture, and the promotion of Richard Wagner and Carl Orff was central to Hitler's cultural program. In Britain, the War Office under Winston Churchill chose to promote Edward Elgar and Hubert Parry, but also to appropriate and 'de-Nazify' Ludwig van Beethoven - whose Fifth Symphony was used extensively in wartime broadcasts and has since become synonymous with VE Day. Meanwhile, the work of Ralph Vaughan Williams, whose music was commissioned by Powell and Pressburger for use in 49th Parallel, reclaimed a particularly English past...