A History of Mathematics |
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Page 5
... symbols whose respective values had to be added . Thus , stood for 2 , y for 3 , for 4 , ▾ for 23 , <<< for 30. Here the symbols of higher order appear always to the left of those of lower order . In writing the ... symbol for 5 * I.
... symbols whose respective values had to be added . Thus , stood for 2 , y for 3 , for 4 , ▾ for 23 , <<< for 30. Here the symbols of higher order appear always to the left of those of lower order . In writing the ... symbol for 5 * I.
Page 6
Florian Cajori. 10 times 100 , or 1000. But this symbol for 1000 was itself taken for a new unit , which could take ... symbols , which have hitherto been found , none go as high as a million.3 If , as is believed by most specialists ...
Florian Cajori. 10 times 100 , or 1000. But this symbol for 1000 was itself taken for a new unit , which could take ... symbols , which have hitherto been found , none go as high as a million.3 If , as is believed by most specialists ...
Page 7
... symbol for zero . We ask , Did the Babylonians possess one ? Had they already taken the gigantic step of representing by a symbol the absence of units ? Neither of the above tables answers this question , for they happen to contain no ...
... symbol for zero . We ask , Did the Babylonians possess one ? Had they already taken the gigantic step of representing by a symbol the absence of units ? Neither of the above tables answers this question , for they happen to contain no ...
Page 13
... symbols is very doubtful . The writing of numbers with these hieroglyphics was very cumbrous . The unit symbol of each order was repeated as many times as there were units in that order . The principle employed was the additive . Thus ...
... symbols is very doubtful . The writing of numbers with these hieroglyphics was very cumbrous . The unit symbol of each order was repeated as many times as there were units in that order . The principle employed was the additive . Thus ...
Page 22
... symbol of recognition by the Pythagoreans , and was called by them Health . Pythagoras called the sphere the most beautiful of all solids , and the circle the most beautiful of all plane figures . The treatment of the subjects of ...
... symbol of recognition by the Pythagoreans , and was called by them Health . Pythagoras called the sphere the most beautiful of all solids , and the circle the most beautiful of all plane figures . The treatment of the subjects of ...
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Popular passages
Page 202 - I was so persecuted with discussions arising out of my theory of light, that I blamed my own imprudence for parting with so substantial a blessing as my quiet, to run after a shadow.
Page 298 - THEOREM If a straight line falling on two other straight lines, make the alternate angles equal to one another, the two straight lines shall be parallel to one another.
Page 21 - The formula states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the base and altitude.