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 00:29Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

168K

8ψ² + 7ψ + 0 = 0

446K

3x² + 3x + 6 = 0

ω = 2πf

144K

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

371K

∇²t = 0

det| 11 5 ; 0 12 | = 132

259K

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

86K

7z² + 2z + 0 = 0

∂α/∂r = 8α

224K

12α² + 6α + 7 = 0

234K

det| 4 2 ; 5 5 | = 10

d/dθ [θ^3] = 3θ^2

218K

∫₀^∞ e^(-ψ²) dψ = √π / 2

354K

∇ × E = −∂B/∂t

70K

iħ ∂ψ/∂t = Ĥψ

402K