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 02:02Z

∇²x = 0

PV = nRT

168K

∫₀^∞ e^(-x²) dx = √π / 2

446K

8n² + 3n + 6 = 0

∑_{k=1}^{n} k = n(n+1)/2

144K

det| 10 7 ; 3 11 | = 89

371K

∂x/∂α = 7x

det| 9 4 ; 1 10 | = 86

259K

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

86K

2n² + 4n + 0 = 0

224K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

234K

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

218K