Historical clue formulations

• Certain geometry calculations — 2026-09-12
• Pre-algebra class calculations — 2024-03-08
• They can be slippery — 2023-03-28
• Skiing areas — 2023-01-22
• Calculus calculations — 2012-06-28
• Hit the ___ — 2005-06-12
• Math calculations — 2003-12-07
• Pitches — 2003-06-21
• Schussing spots — 2001-05-16
• Trigonometric figures — 2001-05-05
• Isn't flat — 2001-03-07
• Places for a 40-Down — 2000-05-29
• Trig calculations — 2000-04-30
• Skiing areas — 1995-11-13
• Inclines — 1995-04-10