带按钮 图片上下滚动 兼容各种浏览器！无病毒放心下载
Compatible with a variety of button images to scroll the browser! Virus rest assured Download (2013-10-11, JavaScript, 97KB, 下载4次)
实现一个具有基本功能的计算器，可以实现加，减，乘，除，开方，平方等一系列运算。
for a basic function calculators, can be achieved, plus or minus, multiplication and addition, prescribing, square series of operations. (2006-04-12, JavaScript, 2KB, 下载1次)
实现一个具有基本功能的计算器，可以实现加，减，乘，除，开方，平方等一系列运算。
for a basic function calculators, can be achieved, plus or minus, multiplication and addition, prescribing, square series of operations. (2006-04-12, JavaScript, 2KB, 下载3次)