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 00:14Z

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

168K

\oint_C \vec{F}\cdot d\vec{r} = 0

446K

3x² + 3x + 6 = 0

F = G m₁m₂ / r²

144K

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

371K

∇²t = 0

F = G m₁m₂ / r²

259K

det| 2 8 ; 7 3 | = -50

86K

7z² + 2z + 0 = 0

iħ ∂ψ/∂t = Ĥψ

224K

∫₀^∞ e^(-x²) dx = √π / 2

234K

CaCO₃ → CaO + CO₂

218K

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

354K

\frac{8}{7} \sum_{i=1}^{n} i^{2}

70K