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 00:53Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

F = G m₁m₂ / r²

446K

3x² + 3x + 6 = 0

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

144K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

371K

∇²t = 0

∇²γ = 0

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

3r² + 2r + 0 = 0

234K

∂n/∂θ = 3n

218K

8x² + 2x + 7 = 0

354K

det| 7 4 ; 4 8 | = 40

70K

∂β/∂z = 1β

402K