ℚ
See also: Appendix:Variations of "q"

TranslingualEdit
EtymologyEdit
From the initial of Italian quoziente (“quotient”), notation proposed in 1895 by mathematician Guiseppe Peano.
SymbolEdit
ℚ
 (mathematics) The set of rational numbers.

From the initial of Italian quoziente (“quotient”), notation proposed in 1895 by mathematician Guiseppe Peano.
ℚ