这是一个仿照实体计算器功能设计，包括所有常用的计算功能并具有对一组数据的统计处理功能的，用C++语言编程的软件。可以直接在电脑上使用无需安装任何附件。本产品针对需求简单的使用者，设计出一种界面简单，使用方便且功能比较齐备的计算器。基本功能包括简单加减乘除运算，三角函数，反三角函数运算，指数对数运算，求平方及平方根等。增加了对一组数据的统计处理，如平均数，求方差，求平方和这样的运算。-This is a calculator function entity modeled on the design, including all commonly used computing power and have a set of statistical data processing functions, using C++ Language programming software. Can directly use a computer without installing any annexes thereto. Demand for this product for simple user interface to design a simple, easy to use and features a full range of calculators. The basic features include simple addition and subtraction multiplication and division calculations, trigonometric functions,反三角函数operator, the index of the number of operations, and square and the square root and so on. Increased by a set of statistical data processing, such as average, and variance, and square and do arithmetic.