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 15:38Z

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∑_{k=1}^{n} k = n(n+1)/2

168K

∫₀^∞ e^(-t²) dt = √π / 2

446K

det| 12 4 ; 1 13 | = 152

7y² + 9y + 1 = 0

144K

∂z/∂φ = 7z

371K

ΔS ≥ 0

det| 3 7 ; 2 4 | = -2

259K

E = mc²

86K

\oint_C \vec{F}\cdot d\vec{r} = 0

N₂ + 3H₂ ⇌ 2NH₃

224K

det| 7 4 ; 4 8 | = 40

234K

1x² + 9x + 5 = 0

\frac{12}{6} \sum_{i=1}^{n} i^{2}

218K

\oint_C \vec{F}\cdot d\vec{r} = 0

354K

iħ ∂ψ/∂t = Ĥψ

70K