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 00:50Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

∇²z = 0

144K

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

371K

∇²t = 0

9α² + 6α + 0 = 0

259K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

86K

F = G m₁m₂ / r²

224K

7r² + 8r + 5 = 0

234K

det| 7 4 ; 4 8 | = 40

218K

∂γ/∂θ = 2γ

354K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

70K

iħ ∂ψ/∂t = Ĥψ

402K