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 00:10Z

∑_{k=1}^{n} k = n(n+1)/2

\lim_{r\to 0} \frac{\sin r}{r} = 1

168K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

∇ × E = −∂B/∂t

144K

8ψ² + 7ψ + 0 = 0

371K

∇²t = 0

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

259K

det| 1 4 ; 3 2 | = -10

86K

7z² + 2z + 0 = 0

det| 7 6 ; 1 8 | = 50

224K

CaCO₃ → CaO + CO₂

234K

det| 2 3 ; 5 3 | = -9

218K

d/dt [t^3] = 3t^2

354K