本人小弱，这是找实习遇到的一道笔试题：简单的计算器程序。回去增加了新功能。现在可以支持四则运算、位运算、自增自减以及括号。提供了函数和测试代码。欢迎使用和帮我debug。-I m not a experienced programmer. This program is from a paper test that I took for IT intern. It s functions include "+,-,*,/, ,&,^,|,~,++,--" and "(" and ")". The