log2

Returns the base 2 logarithm of a numeric value.

Syntax

log2(value)

Parameters

• value

  A value of any number type.

Return value

A floating-point or a complex number.

Examples

log2(2**128)

127.99999999999999999999999999999999

log2(-1)

4.532360141827193809627682945716666*I