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 07:53Z

∑_{k=1}^{n} k = n(n+1)/2

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

46K

∇ × E = −∂B/∂t

468K

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

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

289K

iħ ∂ψ/∂t = Ĥψ

278K

∂x/∂θ = 8x

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

339K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

177K

3φ² + 4φ + 2 = 0

\lim_{t\to 0} \frac{\sin t}{t} = 1

358K

6t² + 6t + 4 = 0

121K

det| 7 4 ; 4 8 | = 40

399K

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

316K

CH₄ + 2O₂ → CO₂ + 2H₂O

11K

F = G m₁m₂ / r²

387K

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