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 20:32Z

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

2H₂ + O₂ → 2H₂O

46K

6ω² + 4ω + 4 = 0

468K

CaCO₃ → CaO + CO₂

∫₀^∞ e^(-r²) dr = √π / 2

289K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

278K

e^{i\pi} + 1 = 0

∇ × E = −∂B/∂t

339K

∇²ω = 0

177K

∂x/∂r = 4x

det| 2 7 ; 7 3 | = -43

358K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

121K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

∑_{k=1}^{n} k = n(n+1)/2

399K

N₂ + 3H₂ ⇌ 2NH₃

316K

PV = nRT

11K

det| 7 4 ; 4 8 | = 40

387K

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