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

∇ × E = −∂B/∂t

168K

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

446K

3x² + 3x + 6 = 0

∇²β = 0

144K

e^{i\pi} + 1 = 0

371K

∇²t = 0

F = G m₁m₂ / r²

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7z² + 2z + 0 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

224K

∇²θ = 0

234K

det| 2 7 ; 7 3 | = -43

218K

det| 4 2 ; 6 5 | = 8

354K

CH₄ + 2O₂ → CO₂ + 2H₂O

70K