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 23:43Z

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

det| 4 8 ; 3 5 | = -4

384K

det| 7 6 ; 1 8 | = 50

385K

\lim_{θ\to 0} \frac{\sin θ}{θ} = 1

F = G m₁m₂ / r²

163K

∇ × E = −∂B/∂t

259K

iħ ∂ψ/∂t = Ĥψ

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

305K

det| 7 4 ; 4 8 | = 40

57K

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

∑_{k=1}^{n} k = n(n+1)/2

293K

iħ ∂ψ/∂t = Ĥψ

110K

10t² + 9t + 5 = 0

300K