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 00:03Z

∑_{k=1}^{n} k = n(n+1)/2

CH₄ + 2O₂ → CO₂ + 2H₂O

168K

6φ² + 9φ + 7 = 0

446K

3x² + 3x + 6 = 0

1n² + 7n + 3 = 0

144K

F = ma

371K

∇²t = 0

∫₀^∞ e^(-x²) dx = √π / 2

259K

PV = nRT

86K

7z² + 2z + 0 = 0

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

224K

∫₀^∞ e^(-n²) dn = √π / 2

234K

F = G m₁m₂ / r²

218K

∂γ/∂z = 6γ

354K

∑_{k=1}^{n} k = n(n+1)/2

70K