Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:05Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

168K

det| 7 4 ; 4 8 | = 40

446K

3x² + 3x + 6 = 0

11φ² + 4φ + 0 = 0

144K

N₂ + 3H₂ ⇌ 2NH₃

371K

∇²t = 0

∫₀^∞ e^(-α²) dα = √π / 2

259K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

86K

7z² + 2z + 0 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

224K

∇²r = 0

234K

ΔS ≥ 0

218K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

354K

det| 5 3 ; 7 6 | = 9

70K