T02 // Typography & Technical Papers
Academic Ruled A4 Sheets: Classic Ruled, Cornell Notes, Two-Column & French Séyès
Editorial A4 stationery layouts for university notes, exams, and worksheets: 7–9 mm ruled sheets, Cornell Notes with ruled/dot/grid note areas, two-column pages, and French Séyès ruling at true 1:1 scale.
Key formulas & geometric relations
A4 = 21.0 × 29.7 cm · p ∈ [7, 9] mm · Séyès 8 mm / 2 mm