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 00:05Z

∑_{k=1}^{n} k = n(n+1)/2

e^{i\pi} + 1 = 0

168K

CH₄ + 2O₂ → CO₂ + 2H₂O

446K

3x² + 3x + 6 = 0

iħ ∂ψ/∂t = Ĥψ

144K

12y² + 5y + 7 = 0

371K

∇²t = 0

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

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

∑_{k=1}^{n} k = n(n+1)/2

224K

12γ² + 9γ + 1 = 0

234K

5φ² + 1φ + 1 = 0

218K

det| 9 4 ; 1 10 | = 86

354K

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

70K