该程序实现了词法，语法分析的功能，可以在记事本中编辑代数表达式-realized by the morphology, syntax analysis capabilities in the notebook edited algebraic expressions

C语言编写的记事本，能够实现记事本的基本功能，主要练习链表的使用-C language Notepad, Notepad can achieve the basic functions, the main use of practice list

纯C 记事本：实现了（权限管理）用户注册以及登陆管理 实现了记事本内容的增删改查功能-Pure Notepad C: implementation of the [rights management] User Registration and management of implementation of the landing Notepad content additions and deletions to search function

记事本源程序，控制台方式，可以实现编辑，新建，打开，等功能-Notepad source, console mode, you can achieve editing, new, open, etc.