When Things Get Complex
Algebra
Wrestling with Radicals Introducing the Radical Sign Simplifying Radical Expressions Unleashing Radical Powers Radical Operations Solving Radical Equations…
(Encyclopedia) Leopold III, 1901–83, king of the Belgians (1934–51), son and successor of Albert I. In 1936, Leopold announced a fundamental change in foreign policy; Belgium abandoned its military…
(Encyclopedia) John III (John Ducas Vatatzes)John IIId&oobreve;ˈkəs vətătˈzēz [key], d. 1254, Byzantine emperor of Nicaea (1222–54), successor and son-in-law of Theodore I. He extended his…
(Encyclopedia) Alfonso III (Alfonso the Great), 838?–911?, Spanish king of Asturias (866–911?). He recovered the territory of León from the Moors. The kingdom was consolidated in his reign, but after…
(Encyclopedia) Baldwin III, 1130–62, Latin king of Jerusalem (1143–62), son and successor of Fulk. Until 1152 he ruled with his mother, Melisende. In his reign began the decay of Latin power in the…
(Encyclopedia) William III, 1817–90, king of the Netherlands and grand duke of Luxembourg (1849–90), son and successor of William II. William III ruled as a constitutional monarch, and his long reign…
(Encyclopedia) Otto of FreisingOtto of Freisingfrīˈzĭng [key], b. after 1111, d. 1158, German chronicler, bishop of Freising. He was a son of Leopold III of Austria, a half-brother of Emperor Conrad…
(Encyclopedia) Judd, Gerrit Parmele, 1803–73, missionary and statesman, b. Paris, N.Y. He arrived in Hawaii as a medical missionary. He ended his mission service in 1842 and became a Hawaiian…
actorBorn: 7/6/1946Birthplace: New York City Actor known for his roles in action-adventure films that are big on muscle and carnage. His films include the five Rocky films (1976; II, 1979; III,…
Robert Frost (1874–1963)Archive PhotosJohn H. Glenn, Jr.(1921– )The Library of Congress Picture CollectionWilliam Faulkner (1897–1962)Archive PhotosMalcolm X(1925–1965)Archive PhotosJohn F. Kennedy…