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 00:01Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

iħ ∂ψ/∂t = Ĥψ

144K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

371K

∇²t = 0

2γ² + 5γ + 2 = 0

259K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

86K

e^{i\pi} + 1 = 0

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

∇²r = 0

218K

∫₀^∞ e^(-t²) dt = √π / 2

354K

8ψ² + 7ψ + 0 = 0

70K

PV = nRT

402K