它是基于51单片机的多功能计算器设计，附上程序及原理图，-It is based on 51 single-chip multi-function calculator design, accompanied by procedures and schematics,

以51单片机为载体的简易计算器，具有加减乘除等基本功能，简便快捷- U4EE551 u5355 u7247 u673A u4E3A u8F7D u4F53 u7684 u7B80 u6613 u8BA1 u7689 u5668 uFF0C u5177 u6709 u52A0 u51CF u4E58 UFF0C u7B80 u4FBF u5FEB u6377