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 00:50Z

∑_{k=1}^{n} k = n(n+1)/2

det| 7 4 ; 4 8 | = 40

168K

9α² + 7α + 5 = 0

446K

3x² + 3x + 6 = 0

∫₀^∞ e^(-θ²) dθ = √π / 2

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

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

259K

6r² + 3r + 1 = 0

86K

7z² + 2z + 0 = 0

∇ × E = −∂B/∂t

224K

det| 12 9 ; 5 13 | = 111

234K

N₂ + 3H₂ ⇌ 2NH₃

218K

7y² + 9y + 1 = 0

354K