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 07:54Z

∑_{k=1}^{n} k = n(n+1)/2

d/dx [x^9] = 9x^8

46K

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

468K

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

det| 7 4 ; 4 8 | = 40

289K

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

278K

∂x/∂θ = 8x

iħ ∂ψ/∂t = Ĥψ

339K

det| 6 6 ; 5 7 | = 12

177K

∑_{k=1}^{n} k = n(n+1)/2

358K

N₂ + 3H₂ ⇌ 2NH₃

121K

∂α/∂ω = 3α

399K

∫₀^∞ e^(-t²) dt = √π / 2

316K

∑_{k=1}^{n} k = n(n+1)/2

11K

d/dγ [γ^3] = 3γ^2

387K

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