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 00:54Z

∑_{k=1}^{n} k = n(n+1)/2

3x² + 5x + 7 = 0

168K

∇ × E = −∂B/∂t

446K

3x² + 3x + 6 = 0

7φ² + 3φ + 6 = 0

144K

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

371K

∇²t = 0

∂y/∂n = 5y

259K

det| 7 4 ; 4 8 | = 40

86K

7z² + 2z + 0 = 0

F = G m₁m₂ / r²

224K

3z² + 5z + 1 = 0

234K

det| 4 2 ; 5 5 | = 10

F = G m₁m₂ / r²

218K

CH₄ + 2O₂ → CO₂ + 2H₂O

354K

∇ × E = −∂B/∂t

70K

∂γ/∂z = 6γ

402K