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 00:11Z

∑_{k=1}^{n} k = n(n+1)/2

CH₄ + 2O₂ → CO₂ + 2H₂O

168K

∇²θ = 0

446K

3x² + 3x + 6 = 0

∫₀^∞ e^(-r²) dr = √π / 2

144K

12α² + 6α + 7 = 0

371K

∇²t = 0

det| 8 9 ; 4 9 | = 36

259K

2n² + 4n + 0 = 0

86K

7z² + 2z + 0 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

224K

11t² + 6t + 6 = 0

234K

det| 4 2 ; 5 5 | = 10

8ψ² + 7ψ + 0 = 0

218K

∇ × E = −∂B/∂t

354K

e^{i\pi} + 1 = 0

70K

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

402K