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 00:07Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

CaCO₃ → CaO + CO₂

446K

3x² + 3x + 6 = 0

∫₀^∞ e^(-x²) dx = √π / 2

144K

∇ × E = −∂B/∂t

371K

∇²t = 0

7γ² + 8γ + 3 = 0

259K

det| 7 7 ; 4 8 | = 28

86K

7z² + 2z + 0 = 0

∑_{k=1}^{n} k = n(n+1)/2

224K

F = G m₁m₂ / r²

234K

E = mc²

218K

det| 7 4 ; 4 8 | = 40

354K

det| 8 9 ; 4 9 | = 36

70K