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 00:29Z

∑_{k=1}^{n} k = n(n+1)/2

12θ² + 2θ + 6 = 0

168K

∫₀^∞ e^(-n²) dn = √π / 2

446K

3x² + 3x + 6 = 0

det| 3 7 ; 2 4 | = -2

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

∂γ/∂z = 6γ

259K

det| 2 7 ; 7 3 | = -43

86K

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

224K

det| 10 3 ; 4 11 | = 98

234K

det| 10 7 ; 3 11 | = 89

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

det| 7 4 ; 4 8 | = 40

70K

∇²θ = 0

402K