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 20:13Z

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

det| 7 4 ; 4 8 | = 40

46K

5z² + 8z + 3 = 0

468K

CaCO₃ → CaO + CO₂

CH₄ + 2O₂ → CO₂ + 2H₂O

289K

∑_{k=1}^{n} k = n(n+1)/2

278K

e^{i\pi} + 1 = 0

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

339K

d/dx [x^3] = 3x^2

177K

∂x/∂r = 4x

∇ × E = −∂B/∂t

358K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

121K

N₂ + 3H₂ ⇌ 2NH₃

399K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

316K