Question Number 107447 by mathdave last updated on 10/Aug/20
Commented by mathmax by abdo last updated on 10/Aug/20
$$\mathrm{what}\:\mathrm{mean}\:\mathrm{G}\:? \\ $$
Commented by mathdave last updated on 10/Aug/20
$${catalan}\:{or}\:{cintalan}\:{constant} \\ $$