delphi写的线性代数库，很完整、全面，速度很快，-delphi write linear algebra library, is a complete, comprehensive, fast,

Socket入口点测试工具,学习封包及线程的佳品，完整无措，无需第三方控件。-Test Socket entry point tools, learning to share the packet, and thread, complete, flawless, without third party controls.