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 07:43Z

∑_{k=1}^{n} k = n(n+1)/2

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

46K

det| 7 4 ; 4 8 | = 40

468K

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

det| 9 5 ; 1 10 | = 85

289K

det| 1 4 ; 3 2 | = -10

278K

∂x/∂θ = 8x

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

339K

∫₀^∞ e^(-t²) dt = √π / 2

177K

3φ² + 4φ + 2 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

358K

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

121K

5ω² + 6ω + 0 = 0

iħ ∂ψ/∂t = Ĥψ

399K

N₂ + 3H₂ ⇌ 2NH₃

316K

PV = nRT

11K

∑_{k=1}^{n} k = n(n+1)/2

387K

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