During the course of self-studying, I have learnt some simple algorithms such as Euclid algorithm which helped me create my first program, fractional calculator.

在我自学的过程中，我已经学过一些简单的算法比如，欧几里德法则并且这个法则帮助了我写了第一个程序，小数计算器。

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With calculator information safety for center, it elaborates how to carry on an information safety education in the information technique course of senior high school.

以计算机信息安全为中心，阐述了如何在高中信息技术课程中进行信息安全教育。

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According to the present condition and development trend of the economic trade professional calculator training, we should raise the point of departure and the teaching level of the course.

根据经贸类专业计算机的现状与发展趋势，经贸类专业应提高计算机教育课程的起点和档次。

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