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 23:22Z

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

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

384K

∑_{k=1}^{n} k = n(n+1)/2

385K

\lim_{θ\to 0} \frac{\sin θ}{θ} = 1

det| 7 4 ; 4 8 | = 40

163K

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

259K

iħ ∂ψ/∂t = Ĥψ

8θ² + 8θ + 6 = 0

305K

N₂ + 3H₂ ⇌ 2NH₃

57K

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

293K

d/dφ [φ^1] = 1φ^0

110K