ld

Abbreviation of Latin logarithmus dualis.

ld

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

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

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

• lb
• lg

• log
• ln