基于51设计的8位数码管计算器,能实现加减乘除取余根号平方等功能,另外还支持删除操作,这个程序里还有一个亮点就是采用了一个高级5x5键盘设计,支持长按短按和连续按功能,非常值得大家去学习!(Based on the 51-designed 8-digit digital tube calculator, it can realize the functions of addition, subtraction, multiplication and division, and the remai