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 00:18Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-α²) dα = √π / 2

168K

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

446K

3x² + 3x + 6 = 0

d/dx [x^3] = 3x^2

144K

det| 7 4 ; 4 8 | = 40

371K

∇²t = 0

PV = nRT

259K

∇ × E = −∂B/∂t

86K

7z² + 2z + 0 = 0

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

224K

det| 7 9 ; 1 8 | = 47

234K

F = G m₁m₂ / r²

218K

F = G m₁m₂ / r²

354K