Package algorithmic implements parsing and formatting of common non-decimal number systems, such as roman numerals and traditional tamil numbers.

Package plurals is an easy-to-use wrapper around the /x/text/feature/plural package.

Package rbnf is a Go implementation of the Unicode Locale Data Markup Language (LDML) [Rule-Based Number Format (RBNF)].

Package symbols contains the [CLDR number symbols], such as the decimal point and the minus sign, for different locales.