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 00:54Z

∑_{k=1}^{n} k = n(n+1)/2

10β² + 4β + 1 = 0

168K

12α² + 6α + 7 = 0

446K

3x² + 3x + 6 = 0

∇ × E = −∂B/∂t

144K

11ψ² + 6ψ + 2 = 0

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

86K

7z² + 2z + 0 = 0

det| 9 4 ; 1 10 | = 86

224K

det| 5 6 ; 2 6 | = 18

234K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

218K

ω = 2πf

354K

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

70K

∇²θ = 0

402K