A teacher must incorporate mathematics history, reveal mathematical aesthetic and establish harmony between teachers and students, which is not only a must, but also an important task in the teaching.
教师在教学中必须融入数学史、揭示数学美、建立融洽和谐的师生关系，这既是教高等数学的需要，也是高等数学教学的重要任务。
Mathematics educators and teachers at home and abroad attach great importance to using lifesome examples in the mathematics history to enlighten and cultivate the thinking ability of the students.
国内外许多数学教育家和数学教师都十分重视在数学教学运用数学史的生动事例启发和培养学生的思维能力。
Thus the research on how teachers and students use the two sets of junior high school mathematics textbooks having big influence seems to be very necessary, and also very valuable.
因而，对于在教学中教师和学生如何使用这两种有着较大影响的初中数学教材进行调查研究就显得非常必要，也很有价值。
Function plotter is an excellent mathematics tool for all senior and junior middle school or college students and teachers to draw graph which related to the function expression they inputed.
函数绘图器是一个出色的函数绘图工具，只要输入相应的任意函数表达式，即可获得该函数表达式的相应二维图像，可以供初级，高级中学以及大学的老师和学生教学和学习使用。
Function plotter is an excellent mathematics tool for all senior and junior middle school or college students and teachers to draw graph which related to the function expression they inputed.
函数绘图器是一个出色的函数绘图工具，只要输入相应的任意函数表达式，即可获得该函数表达式的相应二维图像，可以供初级，高级中学以及大学的老师和学生教学和学习使用。
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