calculating the normal probabilities in stats

仅用作个人开发使用。系统启动的时候有一个管理员用户，使用这个用户登录后，可以添加其他用户，而且每一个用户都可以更改自己的密码。

实现在内存充足的前提下进行二维快速复利叶变换的功能。-It can accomplish the 2-D FFT on the condition that it has big enough EMS memory.

小游戏，法国钉，可能还有些bug,请帮助改正-small game, France nails, may also some bug, please help correct

ImageButton的简单demo.-ImageButton simple demo.

一个模拟鼠标键盘输入的例子--An example about how to similar to the input of mouse and keyboard

速度挺快的超大数乘法程序-speed very quickly large number multiplication procedure

数字转换为大写汉字程序。 主要功能：把输入价格转换成大写汉字。 己做成一个CnumToHan类.使用方法在示范程序中，很简单的。-Digital conversion process for the uppercase characters. Main functions: to enter the conversion price at National Cheng Kung University to write Chinese characters. Creates a category of their own CnumToHan. To use in the demonstration program, very simple.

高斯信道中的ofdm仿真程序，分别采用bpsk，qpsk，16qam，64qam调制-Gaussian Channel ofdm simulation program, were used bpsk, qpsk, 16qam. 64qam modulation

菜单编辑实例,可以实现文本文件的复制，剪切，粘贴，文字的字体设置等功能。-Examples of Menu Editor, you can realize a text file copy, cut, paste, text font settings and other functions.

一个快速写四位bmp位图的c程序-a rapid write four bmp bitmap c procedures