对JPEG，BMP,PNG,GIFT和TIFF文件进行查看，编辑的源代码。-JPEGView is a viewer/editor for JPEG, BMP, PNG, GIF and TIFF images. It is designed to view images from digital cameras full screen and with highest quality possible. Basic image editing functionality is provided

实现了布丰投针实验的演示,有简单的动画演示,能在用户界面上输入平行线间距,投针的针长,投针次数,并能输出针与任一平行线相交的概率,以及根据此概率和平行线间距,针长计算出的pi值-Buffon needle experiment realized investment presentation, there is a simple animation, can be entered in the user interface on the parallel line spacing, cast a