Historical clue formulations

• Made a basic math calculation — 2026-09-02
• Contributed — 2026-07-12
• *With 101-Across, extra level of intricacy — 2024-12-01
• which were an ___ distraction. — 2023-08-30
• Did some summing — 2022-08-15
• Part of V.A.T. — 2021-09-02
• Over-and-above — 2017-10-15
• Interjected — 2017-04-16
• Went on to say — 2016-03-20
• Piled on — 2015-07-03
• V*T — 2015-02-03
• Did sum work? — 2014-11-03
• Supplementary — 2012-10-09
• Threw in — 2012-01-19
• Extra — 2011-08-12
• Did sums — 2011-06-20
• Extra — 2011-06-15
• Thrown in — 2011-04-20
• Thrown in — 2011-03-08
• Put in — 2010-01-31
• Tallied up — 2008-01-07
• Like bonuses — 2007-04-14
• Threw in — 2007-02-13
• Extra — 2006-04-03
• Threw in — 2005-03-15
• Threw in — 2003-06-24
• Put in — 2002-06-01
• Extra — 2002-03-09
• Did sums — 2001-09-27
• Put on — 2001-07-29
• Threw in — 2000-03-20
• Part of V.A.T. — 1998-10-14
• Hit the + key — 1998-03-10
• Supplemented — 1997-12-30
• Like a certain attraction — 1996-11-27
• Supplementary — 1996-08-25
• Extra — 1996-01-14
• Totaled — 1996-01-02
• Built (on) — 1994-12-16
• Used an abacus — 1994-11-12
• Kind of attraction — 1994-07-20