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 00:57Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

det| 9 6 ; 7 10 | = 48

446K

3x² + 3x + 6 = 0

∇ × E = −∂B/∂t

144K

∂β/∂β = 6β

371K

∇²t = 0

det| 1 4 ; 3 2 | = -10

259K

8ψ² + 7ψ + 0 = 0

86K

7z² + 2z + 0 = 0

7γ² + 8γ + 3 = 0

224K

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

234K

det| 4 2 ; 5 5 | = 10

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

218K

2H₂ + O₂ → 2H₂O

354K

2H₂ + O₂ → 2H₂O

\frac{8}{7} \sum_{i=1}^{n} i^{2}

70K