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

∇ × E = −∂B/∂t

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

144K

3r² + 2r + 0 = 0

371K

∇²t = 0

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

259K

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

86K

F = G m₁m₂ / r²

224K

∇²θ = 0

234K

det| 7 4 ; 4 8 | = 40

218K

e^{i\pi} + 1 = 0

354K

det| 7 9 ; 1 8 | = 47

70K

∇²t = 0

402K