Symbols:Q/Non-Zero Rational Numbers

Rational Numbers

$\Q_{\ne 0}$

The set of non-zero rational numbers:

$\Q_{\ne 0} = \Q \setminus \left\{{0}\right\}$

The $\LaTeX$ code for \(\Q_{\ne 0}\) is \Q_{\ne 0}  or \mathbb Q_{\ne 0} or \Bbb Q_{\ne 0}.

Variants

$\Q^*$

The set of non-zero rational numbers:

$\Q^* = \Q \setminus \set 0$

The $\LaTeX$ code for \(\Q^*\) is \Q^*  or \mathbb Q^* or \Bbb Q^*.