仿射变换的加解密算法实现 Implementation of encryption and decryption algorithm for affine transformation
A simple C++ program, a small classroom experiment, to implement a simple data encryption exchange.一个简单的C++程序，一个小型的课堂实验，实现简单的数据加密交换。
Java program for math quizzes for elementary school students, also a Java curriculum project. 小学生数学测验的 Java 程序，也是一个 Java 课程项目。
