�

� is the feminine ordinal indicator, used in Portuguese and Spanish. It is a superscript a, which is the feminine adjective ending. "Primera" (meaning "first"), for example, is written as 1� or 1^a, the same way it is written in English as 1^st.

The following requires the presence of certain fonts, likely to be present in a computer with Windows installed.
Feminine ordinal indicator in different fonts

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