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 00:12Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

9α² + 6α + 0 = 0

446K

3x² + 3x + 6 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

144K

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

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

e^{i\pi} + 1 = 0

86K

8θ² + 8θ + 6 = 0

224K

6x² + 6x + 1 = 0

234K

∇²r = 0

218K

8ψ² + 7ψ + 0 = 0

354K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

70K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

402K