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 04:50Z

12r² + 6r + 1 = 0

det| 9 5 ; 1 10 | = 85

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

\frac{8}{6} \sum_{i=1}^{n} i^{2}

144K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

371K

4t² + 9t + 6 = 0

det| 2 3 ; 5 3 | = -9

259K

det| 7 4 ; 4 8 | = 40

86K

∇²ψ = 0

N₂ + 3H₂ ⇌ 2NH₃

224K

∂ψ/∂β = 3ψ

234K

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

218K

\lim_{r\to 0} \frac{\sin r}{r} = 1

354K