这是一个简单的计算器用于普通和科学计算。它就像windows简单计算器以及源代码。有一个功能超出每个按钮。你可以用计算器来执行任何标准的操作,通常使用一个手持计算器。计算器执行基本的算术,比如加法和减法,以及函数-This is a simple calculator used for ordinary and scientific computing. It is like a simple calculator and source code windows. Each button has a function beyond. You can use Calculator to perform any of the standard operations normally use a handheld calculator. Calculator performs basic arithmetic, such as addition and subtraction, as well as functions