本来是一本书《Fortran完全自学手册》附带的源码，我把它整理成word打印版，可以打印出来，慢慢研究，我的邮箱feiyuno2@163.com-Was originally a book " Fortran fully self-study manual" with the source code, I put it into its word print edition, you can print it out, slowly research, my mailbox