计算器可以完成加减乘除混合运算判断优先级连续计算

[{"title":"（19个子文件160KB）计算器可以实现加减乘除混合运算判断优先级连续计算","children":[{"title":"计算器8号（所有功能实验完毕（）已经打包）","children":[{"title":"程序","children":[{"title":"程序.uvproj <span style='color:#111;'>13.94KB</span>","children":null,"spread":false},{"title":"main.c <span style='color:#111;'>5.76KB</span>","children":null,"spread":false},{"title":"Objects","children":[{"title":"程序 <span style='color:#111;'>20.98KB</span>","children":null,"spread":false},{"title":"程序.hex <span style='color:#111;'>11.87KB</span>","children":null,"spread":false},{"title":"程序.build_log.htm <span style='color:#111;'>1.03KB</span>","children":null,"spread":false},{"title":"main.obj <span style='color:#111;'>22.42KB</span>","children":null,"spread":false},{"title":"程序.lnp <span style='color:#111;'>73B</span>","children":null,"spread":false},{"title":"0.obj <span style='color:#111;'>26.80KB</span>","children":null,"spread":false}],"spread":true},{"title":"Listings","children":[{"title":"main.lst <span style='color:#111;'>12.07KB</span>","children":null,"spread":false},{"title":"0.lst <span style='color:#111;'>15.72KB</span>","children":null,"spread":false},{"title":"程序.m51 <span style='color:#111;'>20.12KB</span>","children":null,"spread":false},{"title":"at89s52混合无限运算计算器lcd1602显示.lst <span style='color:#111;'>8.75KB</span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"原理图","children":[{"title":"计算器3号.SchDoc <span style='color:#111;'>171.00KB</span>","children":null,"spread":false},{"title":"计算器二号.SchDoc <span style='color:#111;'>168.00KB</span>","children":null,"spread":false},{"title":"__Previews","children":[{"title":"计算器二号.SchDocPreview <span style='color:#111;'>55.88KB</span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"仿真图","children":[{"title":"8版本","children":[{"title":"计算器.pdsprj.DEEPI-20170302C.Administrator.workspace <span style='color:#111;'>328B</span>","children":null,"spread":false},{"title":"计算器.pdsprj <span style='color:#111;'>16.38KB</span>","children":null,"spread":false}],"spread":true},{"title":"注意.txt <span style='color:#111;'>41B</span>","children":null,"spread":false},{"title":"7版本","children":[{"title":"计算器.DSN <span style='color:#111;'>89.76KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}]