好！直接用！asp验证码（数字字母混合，带刷新）,调用简单。-Good! Direct! asp authentication code (alphanumeric mixed with a refresh), the call is simple.

J2ME数字游戏，在手机屏幕上不同位置出现不同数字，测试你的反应速度-J2ME numbers game, different positions on the phone screen there are different numbers, test your reaction speed

是个简单的数字应用签名软件，里面还有相应的文档和使用说明，有数字签名功能还有计算摘要功能-Is a simple application of digital signature software, and the corresponding documents and instructions, have the function of digital signature and computing the function