用PHP来生成超酷的饼图~内有详细的说明注释！是学习绘图的好范本！-Become the super and cool round flat cake diagram with the future life of PHP

VC++曲线绘制源码——人体生命曲线，根据科学理论，每个人都有一个生物钟，生物钟的运动直接影响到人的智力、体力和情绪的变化，三者呈正弦曲线分布，并且按各自不同的周期运动。正确掌握自己的生物钟，把握好自己智力 、体力和情绪的最佳状态，将有助于您的工作、学习和健康-Draw the curve of VC++ source code- human life curve, according to scientific theory, each person has a biological cloc

许多用C编写的趣味题程序，绘图，数字以及生活中的数学问题-Many interesting questions written in C programs, graphics, digital and mathematical problems in life

雨流计数法主要用于工程界, 特别在疲劳寿命计算中运用非常广泛。-Rain flow counting method is mainly used in the engineering sector, particularly in the fatigue life calculations use very extensive.