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 04:14Z

12r² + 6r + 1 = 0

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

168K

det| 3 6 ; 0 4 | = 12

446K

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-r²) dr = √π / 2

144K

∇²r = 0

371K

4t² + 9t + 6 = 0

\lim_{γ\to 0} \frac{\sin γ}{γ} = 1

259K

∇²ω = 0

86K

∇²ψ = 0

2H₂ + O₂ → 2H₂O

224K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

234K

F = ma

8ψ² + 7ψ + 0 = 0

218K

∇ × E = −∂B/∂t

354K

N₂ + 3H₂ ⇌ 2NH₃

70K

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

402K