Octal Mathematical system with a base of 8.

以8为基数的数学制度。

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Octal: Mathematical system with a base of 8.

八进制：以8为基数的数学制度。

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Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclidof Alexandria.

欧几里德几何是一种数学系统归于希腊数学家欧几里德的亚历山大。

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In counting cards, as with most quant funds, the idea is to use a mathematical system to do just a little bit better than chance.

FORBES: Man Vs. Machine On Wall Street

Richard Goodwin tried his best to present a mathematical theory of such a disequilibrium system.

ECONOMIST: Economic reasoning

In order for the mathematisation of nature, that many historians regard as the core of the scientific revolution, to be consummated it became necessary in the 16th and 17th centuries to reform the prevailing education system and introduce a thorough grounding in the mathematical sciences in order to produce the mathematicians, astronomers and physicists capable of carrying out the task.

FORBES: A Long Forgotten Father of the Scientific Revolution