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 00:11Z

∑_{k=1}^{n} k = n(n+1)/2

∇²r = 0

168K

5φ² + 1φ + 1 = 0

446K

3x² + 3x + 6 = 0

∫₀^∞ e^(-α²) dα = √π / 2

144K

iħ ∂ψ/∂t = Ĥψ

371K

∇²t = 0

F = G m₁m₂ / r²

259K

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

86K

7z² + 2z + 0 = 0

\lim_{γ\to 0} \frac{\sin γ}{γ} = 1

224K

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

234K

det| 4 2 ; 5 5 | = 10

iħ ∂ψ/∂t = Ĥψ

218K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

354K

det| 9 4 ; 1 10 | = 86

70K