See: <a href="/doc/reference/classes/ucalc.transformer/description-=-[string]/">Description = [string]</a>, <a href="/doc/reference/classes/ucalc.transformer/description/description-string/">Description(string)</a>, <a href="/doc/reference/classes/ucalc.rule/parenttransformer-=-[transformer]/">ParentTransformer = [Transformer]</a>, <a href="/doc/reference/classes/ucalc.transformer/str/str-void/">Str()</a>, <a href="/doc/reference/classes/ucalc.transformer/str/str-string/">Str(string)</a>, <a href="/doc/reference/classes/ucalc.transformer/transform/transform-void/">Transform()</a>, <a href="/doc/reference/classes/ucalc.transformer/transform/transform-string/">Transform(string)</a>