Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 07:40Z

∑_{k=1}^{n} k = n(n+1)/2

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

46K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

468K

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

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

289K

12y² + 5y + 7 = 0

278K

∂x/∂θ = 8x

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

339K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

177K

8ψ² + 7ψ + 0 = 0

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

5φ² + 1φ + 1 = 0

399K

∇ × E = −∂B/∂t

316K

E = mc²

11K