Meanings

electoral quota (e.g. in a proportional representation system)

polyploid (organism, cell, etc.)

latent variable (e.g. in statistics)

(number of) plate appearances

Takagi function

Qing dynasty system assigning equal numbers of Manchurians and Han Chinese to central government agencies

switching variable

scalar variable

Nyquist frequency

blocking factor

link count

record variable

register variable

local variable

alphanumeric coded set

argument list

parameter separator

alphanumeric coded set

(formal) parameter

alphanumeric data