Meanings

emission factor (of greenhouse gases)

global warming potential

conversion factor

Lie algebra

number of seats

number of houses

remaining number (of items)

view count (of a video)

holy number

number of episodes (of a television series)

finite decimal

terminating decimal

arrow function (in JavaScript)

immediately invoked function expression (in JavaScript)

non-terminating decimal

callback function

surd

magnetic quantum number

modifying the random-number generation

intermediate frequency