Σ index Ledger /3 Matrix 11 Matrix 23 Rxn set 8 Rxn set 20 Batch 16 Σ#6 Eq pack 13 Σ#24 Σ#12 Matrix 17 Ledger /9 Rxn set 26 Batch 4 Σ#18

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-18 23:41Z

d/dn [n^4] = 4n^3

∑_{k=1}^{n} k = n(n+1)/2

384K

d/dt [t^3] = 3t^2

385K

\lim_{θ\to 0} \frac{\sin θ}{θ} = 1

∂y/∂n = 5y

163K

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

259K

iħ ∂ψ/∂t = Ĥψ

∑_{k=1}^{n} k = n(n+1)/2

305K

det| 9 4 ; 1 10 | = 86

57K

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

2H₂ + O₂ → 2H₂O

293K

∑_{k=1}^{n} k = n(n+1)/2

110K

det| 5 7 ; 5 6 | = -5

∑_{k=1}^{n} k = n(n+1)/2

300K

N₂ + 3H₂ ⇌ 2NH₃

34K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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