计算器设计，数字电路设计课的大作业，适用于本科数电课程。(The calculator design, the big homework of the digital circuit design course, is suitable for the undergraduate course of number of electricity.)

嵌入式处理器接口模块功能综合应用，简单的计算器设计(Calculator design;Integrated application of embedded processor interface module)

包含电话拨号、密码设定和简单计算器，文件包括proteus仿真图。可以利用Mplab(v4.05)与protesu联调在线仿真。硬件模块涉及矩阵按键和LCD1602， 程序仅供参考，设计不合理的地方欢迎大家留言交流。(It includes telephone dialing ,password setting and simple calculator,including proteus simulation. Mplab (v4.05) and proteus can be used for