ld

See also: LD, Ld., and ld.

Translingual

Etymology

Abbreviation of Latin logarithmus dualis.

Symbol

ld

1. (computer science) binary logarithm; logarithm to the base 2

   $\log _{2}(x)=\mathrm {ld} (x)$. $\mathrm {ld} (2)=1$

Usage notes

The ISO 80000-2:2019 standard prescribes lb for the binary logarithm.

Synonyms

• lb
• lg

Related terms

• log
• ln