## A Quick reference

### A Dictionary of Weights, Measures, and Units

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

length. *Metric* Correctly Å, see angstrom.

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

## A Quick reference

### The Concise Oxford Dictionary of Mathematics (6 ed.)

The number 10 in *hexadecimal notation.

## A* algorithm Quick reference

### A Dictionary of Computer Science (7 ed.)

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- Quick reference

### The Concise Oxford Dictionary of Mathematics (6 ed.)

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

## A-buffer Quick reference

### A Dictionary of Computer Science (7 ed.)

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

## a.e. Quick reference

### The Concise Oxford Dictionary of Mathematics (6 ed.)

Abbreviation for

## a.u. Quick reference

### A Dictionary of Weights, Measures, and Units

sub-atomic physics. See atomic unit.

## A/D converter Quick reference

### A Dictionary of Computer Science (7 ed.)

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 Quick reference

### A Dictionary of the Internet (4 ed.)

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

## Aalen model Quick reference

### A Dictionary of Statistics (3 ed.)

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

## aanom Quick reference

### A Dictionary of Weights, Measures, and Units

[annum]

time. Anomalistic year; see anomalistic and year.

## abacus Quick reference

### The Concise Oxford Dictionary of Mathematics (6 ed.)

## abampere Quick reference

### A Dictionary of Weights, Measures, and Units

## abandonment Quick reference

### A Dictionary of the Internet (4 ed.)

## abandonware Quick reference

### A Dictionary of the Internet (4 ed.)

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

## Abbe, Ernst Carl (1840) Quick reference

### A Dictionary of Statistics (3 ed.)

Abbe’s father was a book printer and factory worker and his childhood was one of privation. Nevertheless, he studied at U Jena and U Göttingen, receiving his PhD in ...

## abbreviation Quick reference

### A Dictionary of the Internet (4 ed.)

The Web and the Internet float on a flood of abbreviations. They are often used to save time when, for example, writing an ...