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 18:07Z

ΔS ≥ 0

∫₀^∞ e^(-ω²) dω = √π / 2

46K

∫₀^∞ e^(-z²) dz = √π / 2

468K

\oint_C \vec{F}\cdot d\vec{r} = 0

det| 7 4 ; 4 8 | = 40

289K

∑_{k=1}^{n} k = n(n+1)/2

278K

d/dθ [θ^4] = 4θ^3

det| 10 7 ; 3 11 | = 89

339K

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

177K

det| 5 5 ; 7 6 | = -5

7y² + 9y + 1 = 0

358K

N₂ + 3H₂ ⇌ 2NH₃

121K

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

399K

∫₀^∞ e^(-x²) dx = √π / 2

316K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

11K

∇ × E = −∂B/∂t

387K

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