The appendix is a supplementary part of the instruction or paper, and it is not necessary. This is a material that is inconvenient to include in the text because it is too large or taken from a copy.

The appendix seems to have little effect, but in fact it has its unique writing effect and significance. If you want to write an appendix to the graduation thesis of master of engineering, three points must be clear. One is what the content is, the other is what the format is, and the third is what the specific requirements are. With a thorough understanding, you can start writing, and some points in the writing process need special attention to avoid making some mistakes that you shouldn't make.