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 00:20Z

∑_{k=1}^{n} k = n(n+1)/2

ΔS ≥ 0

168K

CH₄ + 2O₂ → CO₂ + 2H₂O

446K

3x² + 3x + 6 = 0

d/dt [t^3] = 3t^2

144K

det| 12 2 ; 2 13 | = 152

371K

∇²t = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

259K

11t² + 9t + 7 = 0

86K

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

224K

∇ × E = −∂B/∂t

234K

9ψ² + 7ψ + 3 = 0

218K

∫₀^∞ e^(-t²) dt = √π / 2

354K

8ψ² + 7ψ + 0 = 0

70K

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

402K