xkcd.reader inoffiziell · kein Affiliate
? 816 / 3239 8.11.2010

Applied Math

Dear Reader: Enclosed is a check for ninety-eight cents. Using your work, I have proven that this equals the amount you requested.
Alt-Text (der eigentliche Witz)
Dear Reader: Enclosed is a check for ninety-eight cents. Using your work, I have proven that this equals the amount you requested.