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

∑_{k=1}^{n} k = n(n+1)/2

168K

∇²γ = 0

446K

3x² + 3x + 6 = 0

8ψ² + 7ψ + 0 = 0

144K

5φ² + 1φ + 1 = 0

371K

∇²t = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

259K

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

86K

7z² + 2z + 0 = 0

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

224K

7r² + 8r + 5 = 0

234K

det| 4 2 ; 5 5 | = 10

∇ × E = −∂B/∂t

218K

d/dx [x^3] = 3x^2

354K

2H₂ + O₂ → 2H₂O