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 00:10Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

168K

det| 2 8 ; 7 3 | = -50

446K

3x² + 3x + 6 = 0

N₂ + 3H₂ ⇌ 2NH₃

144K

\frac{3}{2} \sum_{i=1}^{n} i^{2}

371K

∇²t = 0

8ψ² + 7ψ + 0 = 0

259K

det| 11 5 ; 0 12 | = 132

86K

7z² + 2z + 0 = 0

\lim_{γ\to 0} \frac{\sin γ}{γ} = 1

224K

∇ × E = −∂B/∂t

234K

det| 4 2 ; 5 5 | = 10

iħ ∂ψ/∂t = Ĥψ

218K

∂γ/∂θ = 2γ

354K

N₂ + 3H₂ ⇌ 2NH₃

70K