This package provides two macros \engrec and \EnGrec to convert number arguments to lower case or upper case greek letters. They have the syntax of \alph, i.e. \engrec{a_counter}, \EnGrec{a_counter}.

Options are provided to work with the upgreek and fourier packages.

Requires amsmath. The author is Yvon Henel. See also greekctr.