pismen

1. written
   Sutra imamo pismeni ispit iz matematike. — Tomorrow we have a written math exam.
   Zahtev morate podneti u pismenoj formi. — You have to submit the request in writing.
2. (of a person) literate
   Njegova baka nikada nije bila pismena. — His grandmother was never literate.
   Danas je skoro svako računarski pismen. — Nowadays almost everyone is computer-literate.
3. (of a person, text) able to write correctly; well-written
   Tražimo pismenu osobu za pisanje tekstova. — We are looking for someone who writes well to produce texts.
   On je veoma pismen i skoro ne pravi greške. — He writes very correctly and hardly ever makes mistakes.

In the sense "written" the definite form is usually used: pismeni ispit, pismena molba.