Historical clue formulations

• Hebrew letter before nun — 2013-05-22
• Dues payer: Abbr. — 2011-08-21
• Part of a grp. — 2008-11-28
• Common calculator button — 2004-06-05
• Dues payer: Abbr. — 2002-07-05
• One with dues: Abbr. — 2000-04-15
• Hebrew letter after lamed — 1999-09-19
• One on the rolls: Abbr. — 1995-10-29
• One in a club: Abbr. — 1995-08-25