A History of Mathematics, by Florian Cajori docx

... was the inventor of many arts, such as arithmetic and calculation and geometry and astronomy and draughts and dice, but his great discovery was the use of letters.” Aristotle says that mathematics ... symbol of recognition by the Pythagoreans, and was called by them Health. Pythagoras called the sphere the most beautiful of all A HISTORY OF MATHEMATICS. 18 primitive. Not onl...

Ngày tải lên: 28/06/2014, 19:20

... II] IONIAN AND PYTHAGOREAN SCHOOLS 14 use of one of the Egyptian or Chaldaean registers which stated that solar eclipses recur at intervals of about 18 years 11 days. Among the pupils of Thales ... those current at a later date. In addition to these general statements we have biographies of a few of the leading mathematicians, and some scattered notes in various writers in whi...

Ngày tải lên: 28/06/2014, 19:20

... have many manufacturers of fire-arms now, whose arms are as good as any in the world. Powder has been made here, and may be again, and so may Gravity is a principle in nature. Why? Because all ... the choice, is a palpable absurdity. It is equivalent to saying, that the people shall have no agent at all; that all communication shall be cut off; and that there shall be no channel th...

Ngày tải lên: 30/03/2014, 20:20

... Mathematics, 159 Nicomachus of Gerasa, 159 Diophantus of Alexandria, 160 Pappus of Alexandria, 164 The End of Alexandrian Domi nance, 170 Proclus of Alexandria, 171 Boethius, 171 Athenian Fragments, ... tallest parallelepipeds so that all altitudes are h / 3, one can easily arrange the slabs so as to form three layers, each of altitude h / 3, and having cross-sectional areas of...

Ngày tải lên: 30/05/2014, 23:01

... Missionaries of Charity Sisters in Calcutta, India. 4 When asked about her personal history, Mother Teresa said: By blood, I am Albanian. By citizenship, an Indian. By faith, I am a Catholic ... the bread.” And she said, “I’m afraid that when the bread is finished, I will be hungry again.” So small, she was afraid of being hungry again. She has already experienced the pain...

Ngày tải lên: 14/02/2014, 07:20

... seemed certain. A French army was within three days' march of Vienna; it captured the Bohemian capital, Prague. It was then that Maria Theresa made her famous appeal to the Hungarians, and the ... found a trading-house and an Indian village called Yamacraw. The chief of this little tribe was Tomochichi; and the trader's name was Musgrove, married to a half-breed, named Mar...

Ngày tải lên: 31/03/2014, 21:20

... draws him into a contradiction; for having said that the murder of Henry the Sixth had made Richard detested by all nations who heard of it, he adds, two pages afterwards, that an embassy arrived ... natural son was in the hands of Henry the Seventh. Buck says, that Richard made his son Richard of Gloucester, captain of Calais; but it appears from Rymer's Foedera, that Rich...

Ngày tải lên: 31/03/2014, 21:20

... AD and CJ.Thus CAD is half the area of ADJK. Similarly, IAB is half the area of ACHI. 1 The Theorem of Pythagoras 43 But it turns out that IAB and CAD are congruent: IA and CA are sides of a square, ... years of issue and catalogue numbers from the American Scott postage stamp catalogue. William L. Schaaf, Mathematics and Science; An Adventure in Postage Stamps, National Council...

Ngày tải lên: 12/05/2014, 03:56

... notation and the style of Western mathematics directly, without retaining anything whatsoever of traditional Japanese mathematics. In a completely different area, Takeda Kusuo and Kodama Akihito ... such as Jia Xian and Liu Yi appear to have been aware of Pascal's triangle and the Ruffini-Horner method, together with a number of techniques of computational algebra. Our...

Ngày tải lên: 12/05/2014, 08:55