Main Page | See live article | Alphabetical index Dicaearchus (also correct in English Dicearchos, Dicearchus or Dikæarchus) (Greek Dixaiarxos) (circa 350 BC - circa 285 BC) was a Greek philosopher, cartographer, geographer, mathematician and polygraph. He was born in Messine (also Messana, Messene; present-day Messina). Dicaearchus was Aristotle's student. His work is almost lost. He made geometric constructions of a hyperbola and a parabola and worked mainly in the field of cartography, where he was among the first to use geographical coordinates. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.