shift后门 连续按五次后将出现密码输入框 输入正确密码后将可以添加用户和更改终端端口-shift back door by a row of five input box will appear to enter the correct password after password change can add users and terminal port

科学计算器界面简单大方，除了最基本的加、减、乘、除功能外，还支持常用的储存、取存、累存、积存、清存、取余、取整功能，支持十六进制、十进制、八进制、二进制、上档功能、双曲函数、快速使用，方便切换退格，清屏、全清等功能！ -Simple and elegant scientific calculator interface, in addition to the basic add, subtract, multiply, and divide functions, also supports po