description

Returns the description of a variable.

Syntax

• description(X)

  • X is a variable

• description(s)

  • s is a string containing the name of a variable

Description

If X is a variable (or s is a string containing the name of a variable), then description(X) (or description(s)) returns the description of the variable, if present. If the variable has no description, the empty string is returned.

Examples

description(π)

The ratio of a circle's circumference to its diameter.

'("e", "i", "∅") @ description

The base of the natural logarithm.
The imaginary unit, a square root of negative one.
The empty set.

See also

• variable

• metadata

• object