标准正态分布的源代码，用visual studio打开，已带有简单界面，输入值即可查询相应的标准正态分布值-Standard normal distribution of the source code, visual studio open, has been with a simple interface, you can check the corresponding input values ​ ​ of the standard normal distributio

使用Visual Studio编写的数独计算程序，界面简洁直观。-Calculation program written using Visual Studio Sudoku, a simple and intuitive interface.