Optional
Meanings
- Something that is not compulsory, especially part of an academic course.
- Not compulsory; left to personal choice; elective.
Wikipedia Articles
- Optional stopping theorem: In probability theory, the optional stopping theorem (or sometimes Doob's optional sampling theorem, for American probabilist Joseph Doob) says that,
- Optional referendum: The optional referendum is a referendum which comes from a request by governmental authorities or the public. The best known types of optional referendums
- Nude beach: A nude beach, sometimes called a clothing-optional or free beach, is a beach where users are at liberty to be nude. Nude beaches usually have mixed bathing