此程序可以计算自然对数的底到小数点后6万位。如果编译器对汉字有限制，可以把文件名和代码中的汉字改成英文的，把中文注释删除就可以了。-This program can calculate the natural logarithm of the decimal point after the end of 60000. If the compiler is limited to the characters, you can code the file name and the Chinese characters into English, the Chinese Notes can be deleted.