# Dictionary Definition

notation

### Noun

1 a technical system of symbols used to represent
special things [syn: notational
system]

2 a comment or instruction (usually added); "his
notes were appended at the end of the article"; "he added a short
notation to the address on the envelope" [syn: note, annotation]

3 the activity of representing something by a
special system of marks or characters

# User Contributed Dictionary

## English

### Noun

- The act, process, method, or an instance of representing by a system or set of marks, signs, figures, or characters.
- A system of characters, symbols, or abbreviated expressions used in an art or science or in mathematics or logic to express technical facts or quantities.
- A specific note or
piece of information written in such a notation.
- She made a notation in the margin of the book.

#### Derived terms

### Anagrams

# Extensive Definition

The term notation can refer to:

## Chemistry

- Chemical formula
- Lewis structure, denotes chemical bonds

## Written Communication

- Symbol, something that stands for, or suggests, something else

### Mathematics

- Mathematical
notation is used to represent ideas.
- All types of notation in probability
- Cartesian coordinate system, for representing position and other spatial concepts in analytic geometry
- Notation for differentiation, common representations of the derivative in calculus
- Big O notation, used for example in analysis to represent less significant elements of an expression, to indicate that they will be neglected
- Z notation, a formal notation for specifying objects using Zermelo-Fraenkel set theory and first-order predicate logic
- Ordinal notation
- Set-builder notation, a formal notation for defining sets in set theory

- Systems to represent very large numbers

### Physics

- Bra-ket notation or Dirac Notation is another representation of probability in quantum mechanics
- Tensor notation is a general way to represent a gravitational field in general relativity

### Typographical conventions

- Infix notation, the common arithmetic and logical formula notation, such as a+b-c
- Polish notation or "prefix notation", which places the operator before the operands (arguments), such as + a b
- Reverse Polish notation or "postfix notation", which places the operator after the operands, such as a b +
- Numeral
systems, notation for writing numbers, including
- Scientific notation for expressing large and small numbers
- Sign-value notation, using signs or symbols to represent numbers
- Positional
notation also known as place-value notation, in which each
position is related to the next by a multiplier which is called the
base of that numeral system
- Binary notation, a positional notation in base two
- Octal notation, a positional notation in base eight, used in some computers
- Decimal notation, a positional notation in base ten
- Hexadecimal notation, a positional notation in base sixteen, commonly used in computers
- Sexagesimal notation, an ancient numeral system in base sixty

- See also Table of mathematical symbols - for general tokens and their definitions

## Other systems

- Chess notation, to represent moves in a game of chess
- Musical notation, to represent music in a musical composition
- New Epoch Art Notation, to represent the creation of a visual image using any physical media
- Aresti aerobatic symbols, to represent flight maneuvers in aerobatics
- Hungarian notation, to represent the type or intended use of a variable within its name in computer programming

notation in Czech: Notace

notation in French: Notation

notation in Dutch: Notatie

notation in Polish: Notacja

notation in Portuguese: Notação

# Synonyms, Antonyms and Related Words

abstract, accent, accent mark, addition, adversaria, aide-memoire,
alphabet, annotation, apparatus
criticus, approximation, arrangement, art, bar, binary digit, bit, blueprint, cancel, character, charactering, characterization,
characters, chart, chit, choreography, cipher, code, comment, commentary, commentation, conventional
representation, copy,
credit, custos, dance notation, debit, delineation, demonstration, depiction, depictment, diagram, differentiation,
digit, direct, division, docket, dot, double entry, draft, drama, drawing, edition, entry, equation, evolution, exegesis, exemplification,
expression mark, extrapolation, fermata, figuration, figure, footnote, gloss, hieroglyphic, hold, hymnal, hymnbook, iconography, ideogram, illustration, imagery, imaging, instrumental score,
integration,
interpolation,
inversion, involution, item, jotting, key signature, lead, letter, libretto, ligature, limning, logogram, logograph, lute tablature,
map, marginal note, marginalia, mark, measure, memo, memoir, memorandum, memorial, metronomic mark,
minute, minutes, multiplication, music, music paper, music roll,
musical notation, musical score, note, note of explanation, number, numeral, numero, opera, opera score, orchestral
score, part, pause, piano score, pictogram, picturization, plan, portraiture, portrayal, practice, prefigurement, presa, presentment, printing, projection, proportion, realization, record, reduction, register, registry, reminder, rendering, rendition, representation, schema, scholia, scholium, score, script, segno, sheet music, short score,
sign, signature, signs, single entry, slur, songbook, songster, subtraction, swell, syllabary, symbol, symbolism, symbols, tablature, tempo mark,
text, tie, time signature, transcript, transcription, transformation, version, vinculum, vocal score, word of
explanation, writing,
written music