这是我给学生讲IEEE754浮点数机内表示时编的一个小程序，可以讲浮点十进制数与浮点二进制数进行相互转换，并显示机内表示。-This is what I say to the students IEEE754 floating-point machine when express provision of a small program, you can talk about floating-point decimal number with the number of binary floating-point conversion, and display machines express.