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 00:03Z

∑_{k=1}^{n} k = n(n+1)/2

12n² + 2n + 6 = 0

168K

7γ² + 8γ + 3 = 0

446K

3x² + 3x + 6 = 0

\binom{n}{k} = \frac{n!}{k!(n-k)!}

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

CH₄ + 2O₂ → CO₂ + 2H₂O

86K

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

224K

∫₀^∞ e^(-α²) dα = √π / 2

234K

PV = nRT

218K

2H₂ + O₂ → 2H₂O

354K

∇ × E = −∂B/∂t

70K

\lim_{α\to 0} \frac{\sin α}{α} = 1

402K

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