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A

A   Quick reference

A Dictionary of Weights, Measures, and Units

Reference type:
Subject Reference
Current Version:
2004
Subject:
Science and technology, Mathematics and Computer Science, Physics
Length:
72 words

Metric As a lower-case prefix a-, see atto-.

length. Metric Correctly Å, see angstrom.

area. As a, see are; see ...

A

A   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
7 words

The number 10 in hexadecimal notation.

A

A  

Reference type:
Overview Page
Subject:
Science and technology, Mathematics and Computer Science
The number 10 in hexadecimal notation.
A* algorithm

A* algorithm  

Reference type:
Overview Page
Subject:
Science and technology, Mathematics and Computer Science
A member of the class of best-first heuristic search techniques that attempt to find a “best” path from a given start node to a designated goal node in a problem graph. An evaluation function is used ...
A* algorithm

A* algorithm   Quick reference

A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Science and technology, Mathematics and Computer Science
Length:
125 words

A member of the class of *best-first *heuristic search techniques that attempt to find a ‘best’ path from a given start node to a designated goal node in a problem ...

a-

a-   Quick reference

A Dictionary of Weights, Measures, and Units

Reference type:
Subject Reference
Current Version:
2004
Subject:
Science and technology, Mathematics and Computer Science, Physics
Length:
7 words

Metric As symbol see A, a.

a-

a-   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
19 words

Prefix meaning ‘not’. For example, an asymmetric figure is one which possesses no symmetry, which is not symmetrical.

A-buffer

A-buffer   Quick reference

A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Science and technology, Mathematics and Computer Science
Length:
79 words

A buffer used with a *Z-buffer to hold information concerning the visible transparent surfaces to be considered at each ...

a.u.

a.u.   Quick reference

A Dictionary of Weights, Measures, and Units

Reference type:
Subject Reference
Current Version:
2004
Subject:
Science and technology, Mathematics and Computer Science, Physics
Length:
6 words

sub-atomic physics. See atomic unit.

A/D converter

A/D converter   Quick reference

A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Science and technology, Mathematics and Computer Science
Length:
208 words
Illustration(s):
2

A device that can accept an analogue, i.e. continuous, signal whose amplitude lies within a given range, and produce an equivalent digital signal, i.e. an ...

AAA protocols

AAA protocols   Quick reference

A Dictionary of the Internet (4 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Mathematics and Computer Science
Length:
20 words

A term to describe a collection of protocols that are used to ensure secure access to a network.

Aalen model

Aalen model  

Reference type:
Overview Page
Subject:
Science and technology, Mathematics and Computer Science
A linear regression model describing the manner in which the expected value of a response variable, Z(t), depends on explanatory variables X1(t),…, Xk(t) with time-dependent coefficients β0(t), ...
Aalen model

Aalen model   Quick reference

A Dictionary of Statistics (3 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
56 words
Illustration(s):
1

A *linear regression model describing the manner in which the *expected value of a response variable, Z(...

aanom

aanom   Quick reference

A Dictionary of Weights, Measures, and Units

Reference type:
Subject Reference
Current Version:
2004
Subject:
Science and technology, Mathematics and Computer Science, Physics
Length:
10 words

[annum]

time. Anomalistic year; see anomalistic and year.

aastr

aastr   Quick reference

A Dictionary of Weights, Measures, and Units

Reference type:
Subject Reference
Current Version:
2004
Subject:
Science and technology, Mathematics and Computer Science, Physics
Length:
5 words

time. Astronomical year.

abacus

abacus   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
26 words
A counting device consisting of rods on which beads can be moved so as to represent numbers. http://abacus.etherwork.net/Lee/ A description of how one abacus ... More
abampere

abampere   Quick reference

A Dictionary of Weights, Measures, and Units

Reference type:
Subject Reference
Current Version:
2004
Subject:
Science and technology, Mathematics and Computer Science, Physics
Length:
53 words
[absolute ampere] (biot) electric current. Symbol abA. Metric-c.g.s.-e.m.u 1 abA = the constant current that produces, when maintained in two parallel conductors of negligible ... More
abandonment

abandonment   Quick reference

A Dictionary of the Internet (4 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Mathematics and Computer Science
Length:
53 words
A term used to describe what happens when a user of the Internet stops some process they are involved in and does not return to it. For example, a user who has purchased some items, ... More
Abandonment

Abandonment  

Reference type:
Overview Page
Subject:
Science and technology, Mathematics and Computer Science
A term used to describe the user of the Internet who stops some process they are involved in and does not return to it. For example a user who has purchased some items, partially filled their ...
abandonware

abandonware   Quick reference

A Dictionary of the Internet (4 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Mathematics and Computer Science
Length:
18 words

Software that is no longer being sold or supported by the company that developed and marketed it.

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