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 03:52Z

∇ × E = −∂B/∂t

∑_{k=1}^{n} k = n(n+1)/2

168K

∂z/∂φ = 7z

446K

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

det| 7 4 ; 4 8 | = 40

144K

∂y/∂γ = 8y

371K

∂x/∂n = 6x

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

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

CH₄ + 2O₂ → CO₂ + 2H₂O

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

∫₀^∞ e^(-x²) dx = √π / 2

218K