Pen
A pen was a writing instrument used on paper.

In 2154, upon returning to Earth following the Xindi incident, Malcolm Reed used a pen to sign his autograph on a piece of paper for two ladies in a bar. ()

 Beata of Angel I used a pen. ()

In an alternate timeline, when Melanie asked Jake Sisko why he had stopped writing, he quipped that he had lost his favorite pen and couldn't get any work done without it. He had written Anslem in pen and later wrote a collection of new stories in pen, honoring the request of his father. ()

Onaya gave a pen used by the writer Revalus to Jake Sisko to write Anslem. ()

Caylem used a pen to write letters to his wife. ()

In 2374, Chakotay encountered , a member of a species which erased both memories and computer records to eliminate references to their existence. In order to produce a permanent record regardless, he wrote down an account by hand, using what Neelix described as ancient writing implements. These consisted of a hard surface with a paper-like substrate, and a metallic and somewhat conical pen that buzzed while he wrote. ()

See also
Drawing
Inscription pen
Paper
Pencil
Pencil sharpener

External link 
 

Household tools