\magnification=\magstephalf \input amstex \documentstyle{imappt} \input mathletter2006 \document \address Professor So-and-So Department of Metamathematics Skytrain University Plains, IN\quad 55403 \salutation{Dear Professor So-and-So:} This is a sample. It is only a sample of the letter writing macros with various macro packages. Here is a second paragraph. This package has been tested with plain.tex and amstex.tex. \closing{Sincerely,}{Professor Your-name-here\\Professor of Mathematics} \enddocument