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 00:51Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

446K

3x² + 3x + 6 = 0

\frac{4}{6} \sum_{i=1}^{n} i^{2}

144K

det| 12 1 ; 5 13 | = 151

371K

∇²t = 0

e^{i\pi} + 1 = 0

259K

det| 7 4 ; 4 8 | = 40

86K

7z² + 2z + 0 = 0

10ψ² + 5ψ + 0 = 0

224K

∂α/∂r = 8α

234K

det| 4 2 ; 5 5 | = 10

F = G m₁m₂ / r²

218K

e^{i\pi} + 1 = 0

354K

2H₂ + O₂ → 2H₂O