Historical clue formulations

• ___ algebra — 2026-09-22
• One-dimensional, in math — 2025-09-15
• Like the equation y = 2x + 3 — 2021-11-15
• Going from point A to point B — 2021-05-02
• One-dimensional — 2019-09-22
• Straight — 2017-06-11
• ___ algebra — 2015-01-04
• Sequential — 2011-04-22
• Like some algebra — 2009-11-05
• I learn of some measurements — 2009-09-19
• One-dimensional — 2007-11-18
• Going from A to B, say — 2007-09-12
• Progressing sequentially — 2006-08-05
• Unlike a plane — 2004-07-24
• Kind of equation — 2003-06-29
• One-dimensional — 2003-05-06
• One-dimensional — 2000-12-10
• One-dimensional — 1998-04-13
• One-dimensional — 1997-04-21
• 2-D — 1996-11-27
• Like some reasoning — 1996-02-18
• Straight — 1995-03-16
• One-dimensional — 1995-01-26
• Not 2-D or 3-D — 1993-12-26