Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 13:18Z

det| 11 7 ; 6 12 | = 90

∑_{k=1}^{n} k = n(n+1)/2

168K

∇ × E = −∂B/∂t

446K

d/dy [y^12] = 12y^11

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

9n² + 8n + 0 = 0

F = G m₁m₂ / r²

259K

det| 7 4 ; 4 8 | = 40

86K

d/dt [t^5] = 5t^4

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

224K

∇ × E = −∂B/∂t

234K

∇²t = 0

ΔS ≥ 0

8n² + 2n + 0 = 0