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 02:06Z

∇²x = 0

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

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

8n² + 3n + 6 = 0

e^{i\pi} + 1 = 0

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∂x/∂α = 7x

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

259K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

86K

\lim_{γ\to 0} \frac{\sin γ}{γ} = 1

∑_{k=1}^{n} k = n(n+1)/2

224K

det| 12 9 ; 5 13 | = 111

234K

det| 9 4 ; 1 10 | = 86

218K

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

354K