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 20:10Z

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

2H₂ + O₂ → 2H₂O

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

CaCO₃ → CaO + CO₂

ΔS ≥ 0

289K

∑_{k=1}^{n} k = n(n+1)/2

278K

e^{i\pi} + 1 = 0

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

339K

det| 10 3 ; 4 11 | = 98

177K

∂x/∂r = 4x

det| 9 4 ; 1 10 | = 86

358K

∇ × E = −∂B/∂t

121K

\lim_{α\to 0} \frac{\sin α}{α} = 1

399K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

316K

∂y/∂γ = 8y

11K