arithmetician
21Simon Bredon — ( c . 1300 1372) was an English mathematician, physicist, astronomer, arithmetician, geometer, and medic. He was a member of the Merton School, Oxford, elected a Fellow of Merton c . 1330, perhaps until the year 1342, having formerly been a… …
22Michael Byster — Mental calculator Mike Byster was an American commodities trader who now spends time giving free demonstrations of what he calls Mathodical Thinking at grade schools and high schools throughout the Chicago area. Mike is also the creator of the… …
23Paolo Dagomari di Prato — Paolo Dagomari da Prato (1282 ndash;1374), known in Latin as Paulus Geometrus ( Paolo il Geometra , Paul the Geometer ), was a noted Florentine mathematician and astronomer, such a maestro dell abbaco (master/teacher of the abacus) that he gained …
24Timeline of algebra and geometry — A timeline of algebra and geometryBefore 1000 BC* ca. 2000 BC Scotland, Carved Stone Balls exhibit a variety of symmetries including all of the symmetries of Platonic solids. * 1800 BC Moscow Mathematical Papyrus, findings volume of a frustum *… …
25Timeline of mathematics — A timeline of pure and applied mathematics history. Contents 1 Before 1000 BC 2 1st millennium BC 3 1st millennium AD 4 1000–1500 …
26numerary — /nooh meuh rer ee, nyooh /, adj. of or pertaining to a number or numbers. [1720 30; < ML numerarius (LL: arithmetician, accountant), equiv. to L numer(us) number + arius ARY] * * * …
27Pythagoreanism — /pi thag euh ree euh niz euhm/, n. the doctrines of Pythagoras and his followers, esp. the belief that the universe is the manifestation of various combinations of mathematical ratios. [1720 30; PYTHAGOREAN + ISM] * * * Philosophical school,… …
28Kronecker, Leopold — ▪ German mathematician born December 7, 1823, Liegnitz, Prussia [now Legnica, Poland] died December 29, 1891, Berlin, Germany German mathematician whose primary contributions were in the theory of equations and higher algebra. Kronecker… …
29Oliver Byrne (mathematician) — Oliver Byrne (1810? – 9 December 1890?) was a civil engineer and prolific author of works on subjects including mathematics, geometry, and engineering. He is best known for his coloured book of Euclid s Elements. He was a large contributor to… …
30Oliver Byrne — Oliver Byrne. Lithografie ca. 1850. Oliver Byrne (* 1810 in Leiden[1]; † 9. Dezember 1880 in London) war ein irischer Mathematiker, der heute insbesondere durch seine grafische Bearbeitung der ersten sechs Bücher Eukli …
