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Use this tag for questions pretaining to q-analogs of functions, for example q-Binomials, $q$-derivatives, the q-theta function, the q-Pochhammer symbol, etc.

Use this tag for questions pertaining to $q$-analogs of functions, for example $q$-Binomials, $q$-derivatives, the $q$-theta function, the $q$-Pochhammer symbol, etc.

Read more about $q$-analogs in this Wikipedia article.