VB软键盘-屏幕键盘附源码详解

电力系统故障计算，可以计算单相短路，单相接地短路，三相短路，两相短路接地，两相短路-power system fault, can calculate the single-phase short circuit, short-circuit to the single-phase and three-phase short-circuit, two-phase short-circuit grounding, two phase short circuit

简单的文件清理代码，只需要轻轻点击马上讲系统里的不需要的文件清理干净。-Simple documents clean code, only gently on the system of right about the document does not need to clean.

pic单片机定时器使用详解，介绍了定时器的功能，如何设置，以及使用时的注意事项。-pic explain the use of single-chip timer, the timer function of introduction, how to set up, and the use of Notes.

酒店PHP源码，在 PHP4＋MySQL上测试通过。-Hotels PHP source code, in PHP4+ MySQL on the test.

ISO_IEC_14496-1_2001(E)标准-ISO_IEC_14496- 1_2001 (E) standards

非常全面的数据库管理系统 全面对sql使用，通过实例实践。-A very comprehensive round of the sql database management system used by example in practice.

这是一个显示系统当前实践的vrml程序，完全手写，观看代码请用vrmlpad，预览效果请用bs.-This is a display system the current practice of VRML procedures, completely handwritten watch code please vrmlpad, please preview the effect of bs.

another VGA code to display square on the screeen

c语言实现的fft变换，有兴趣的朋友可以-c language of fft transform, interested friends can see. .

DOS下的dma读写驱动，加速硬盘的读写操作。-Dma under DOS to read and write drive, hard disk read and write speed up the operation.