Stationary can mean:

• Fixed in position, or mode : immobile.
• Unchanging in condition or character.
• In statistics and probability: a stationary process.
• In mathematics: a stationary point.
• In mathematics: a stationary set.
• In physics: a stationary physical process.

The word is sometimes confused with stationery, meaning paper or office supplies. Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... A graph of a Normal bell curve showing statistics used in educational assessment and comparing various grading methods. ... Probability is the chance that something is likely to happen or be the case. ... In the mathematical sciences, a stationary process (or strict(ly) stationary process) is a stochastic process in which the probability density function of some random variable X does not change over time or position. ... Euclid, Greek mathematician, 3rd century BC, as imagined by by Raphael in this detail from The School of Athens. ... Stationary points (red pluses) and inflection points (green circles). ... Euclid, Greek mathematician, 3rd century BC, as imagined by by Raphael in this detail from The School of Athens. ... In mathematics, particularly in set theory, if is a cardinal, , and intersects every club in , then is called a stationary set. ... The first few hydrogen atom electron orbitals shown as cross-sections with color-coded probability density Physics (Greek: (phúsis), nature and (phusiké), knowledge of nature) is the branch of science concerned with the discovery and characterization of universal laws which govern matter, energy, space, and time. ... Stationery is a general name given to paper and office supplies such as envelopes, notepads, pens, pencils, erasers, paper clips, staples, etc. ...