They made a typo in the name of the program, it is not Rufus…
“Dufus” (1) that is what it is.
What a bad idea, for items we buy it makes many errors. Some errors are health and safety related. If you followed Dufus’s instructions, you could get hurt or worse.
For our manufactured products the input is inane, of little or no use. In some cases it will cause someone to order the wrong size item.
Note (1); Dufus noun. du·fus. less common spelling of doofus. slang. : a stupid, incompetent, or foolish person. Credit to Merriam-Webster Dictionary.