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 00:16Z

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

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

144K

det| 7 8 ; 4 8 | = 24

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

4γ² + 1γ + 7 = 0

86K

F = G m₁m₂ / r²

224K

2γ² + 5γ + 2 = 0

234K

iħ ∂ψ/∂t = Ĥψ

218K

∫₀^∞ e^(-θ²) dθ = √π / 2

354K

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

70K

∂n/∂θ = 3n

402K