log

See also: Appendix:Variations of "log"

㏒ U+33D2, ㏒ SQUARE LOG ← ㏑ [U+33D1] CJK Compatibility ㏓ → [U+33D3]

For the list of public logs on this wiki, see Special:Log.

Translingual

English Wikipedia has an article on:

logarithm

Wikipedia

Etymology 1

Clipping of English logarithm.

Symbol

log

1. (mathematics) logarithm

   if ${\displaystyle x=b^{y}}$ then ${\displaystyle \log _{b}(x)=y}$

   • 2023 November, “EXTRA MATHEMATICS ADMISSIONS TEST”, in Oxford University‎ (in English), page 3:

     Which of the following numbers is the smallest?
     (a) ${\displaystyle \log _{10}({\sqrt[{10}]{10^{11}}})}$ […]

Usage notes

If not specified, the base of the logarithm is assumed to be either 2, 10, or e, depending on context:

• Base e is most common in professional mathematics.
• Base 10 is typical for many calculators, in the physical sciences, and in secondary school pedagogy.
• Base 2 is frequently used in theoretical computer science but rare outside that field.

Hyponyms

• (with base e) ln
• (with base 10) lg
• (with base 2) lb, ld

Etymology 2

Clipping of English Logo.

Symbol

log

1. (international standards) ISO 639-3 language code for Logo.

See also

• Wiktionary’s coverage of Logo terms