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 00:16Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-θ²) dθ = √π / 2

168K

F = G m₁m₂ / r²

446K

3x² + 3x + 6 = 0

det| 5 9 ; 7 6 | = -33

144K

∂y/∂n = 5y

371K

∇²t = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

259K

det| 7 4 ; 4 8 | = 40

86K

7z² + 2z + 0 = 0

∇ × E = −∂B/∂t

224K

∂ψ/∂β = 3ψ

234K

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

218K

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

354K