计算器的实现，主要是通过div-css实现界面和javascr ipt实现功能的。-Calculator to achieve the main interface by div-css and javascr ipt functionality.

本源码为计算器源码，主要实现计算器的一切功能，简单易懂！ -This source code for the calculator source code, the main function of calculator all easy to understand!

运算键主要包括数字键与基本运算键，数字键从0 到9，基本运算键包括开方、正负、小数点等键， 主要实现计算器界面的getNButton 方法即可。-Operation keys including numeric keys and basic operation keys, numeric keys 0-9, the basic operation keys include prescribing, positive and negative, decimal point and other

备忘录软件的主要功能包括添加备忘录、修改备忘录、查询备忘录、删除备忘录等。此外，还能够打开Windows系统中记事本、计算器等小工具。-The main functions of the memo software including adding memos, delete, query, modify, memo memo memos, etc. In addition, you can open the Windows notepad, calculator and other small

java web网页计算器,主要实现加减乘除运算-Java Web calculator, the main add, subtract, multiply and divide operations