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 00:07Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

∫₀^∞ e^(-x²) dx = √π / 2

446K

3x² + 3x + 6 = 0

ω = 2πf

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

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

259K

det| 6 6 ; 5 7 | = 12

86K

7z² + 2z + 0 = 0

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

224K

∂γ/∂z = 6γ

234K

det| 9 4 ; 1 10 | = 86

218K

\lim_{r\to 0} \frac{\sin r}{r} = 1

354K