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 00:07Z

∑_{k=1}^{n} k = n(n+1)/2

det| 5 6 ; 2 6 | = 18

168K

∫₀^∞ e^(-x²) dx = √π / 2

446K

3x² + 3x + 6 = 0

ΔS ≥ 0

144K

8ψ² + 7ψ + 0 = 0

371K

∇²t = 0

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

259K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

86K

7z² + 2z + 0 = 0

∇ × E = −∂B/∂t

224K

E = mc²

234K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

218K

det| 12 9 ; 5 13 | = 111

354K

det| 5 3 ; 7 6 | = 9

70K