简单计算器，可以实现加减乘除等运算，用到了Ｊａｖａ的ＡＷＴ，比较适用于初学者学习、参考-simple calculators, and the arithmetic can be achieved, such as computation, the use of Java AWT. more applicable to beginners learning, reference

用Java编写的简易计算器，可实现简易的加减乘除等运算，还可以实现撤销输入等功能。-Using Java to prepare simple calculator can achieve, such as simple addition and subtraction multiplication and division operations, but also to suspend the importation of implementation functions.

初学者的课程设计，一个简单的计算器，能计算加减乘除。(A beginner's curriculum design, a simple calculator .)