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 05:40Z

det| 3 4 ; 0 4 | = 12

∑_{k=1}^{n} k = n(n+1)/2

168K

∫₀^∞ e^(-x²) dx = √π / 2

446K

∇²t = 0

2n² + 4n + 0 = 0

144K

∇ × E = −∂B/∂t

371K

7r² + 9r + 2 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

259K

det| 7 4 ; 4 8 | = 40

86K

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

224K

PV = nRT

234K

F = G m₁m₂ / r²

218K

N₂ + 3H₂ ⇌ 2NH₃

354K