简易计算器，简单的四则混合运算，平方开方运算和计时功能-Simple calculator, calculation and timing functions

html计算器，js中标有算法，如果想修改可以根据需要在里面更改参数算法等。-HTML calculator, marked with the algorithm in JS, if you want to modify the may according to need to change the parameters algorithm inside..

简单js实现四则运算计算器,html网页中用javascr ipt实现加，减，乘，除这四则运算-Javascr ipt compute