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

∇ × E = −∂B/∂t

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

9θ² + 7θ + 4 = 0

144K

7φ² + 3φ + 6 = 0

371K

∇²t = 0

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

259K

iħ ∂ψ/∂t = Ĥψ

86K

F = G m₁m₂ / r²

224K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

234K

det| 7 4 ; 4 8 | = 40

218K

e^{i\pi} + 1 = 0

354K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

70K

5φ² + 1φ + 1 = 0

402K