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 20:42Z

\binom{n}{k} = \frac{n!}{k!(n-k)!}

Fe₂O₃ + 3CO → 2Fe + 3CO₂

46K

PV = nRT

468K

CaCO₃ → CaO + CO₂

∑_{k=1}^{n} k = n(n+1)/2

289K

9θ² + 7θ + 4 = 0

278K

e^{i\pi} + 1 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

339K

det| 7 4 ; 4 8 | = 40

177K

∇ × E = −∂B/∂t

358K

∂z/∂φ = 7z

121K

F = G m₁m₂ / r²

399K

det| 5 3 ; 7 6 | = 9

316K

∇²t = 0

11K