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 04:29Z

12r² + 6r + 1 = 0

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

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

9θ² + 7θ + 4 = 0

144K

\lim_{β\to 0} \frac{\sin β}{β} = 1

371K

4t² + 9t + 6 = 0

e^{i\pi} + 1 = 0

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

∇²ψ = 0

det| 9 4 ; 1 10 | = 86

224K

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

234K

9ψ² + 7ψ + 3 = 0

218K