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 00:54Z

∑_{k=1}^{n} k = n(n+1)/2

det| 9 6 ; 7 10 | = 48

168K

11φ² + 4φ + 0 = 0

446K

3x² + 3x + 6 = 0

∇²γ = 0

144K

det| 7 2 ; 7 8 | = 42

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

224K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

234K

∫₀^∞ e^(-θ²) dθ = √π / 2

218K

det| 9 4 ; 1 10 | = 86

354K

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

70K