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 00:50Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

168K

∫₀^∞ e^(-t²) dt = √π / 2

446K

3x² + 3x + 6 = 0

∇²ω = 0

144K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

371K

∇²t = 0

λ = h/p

259K

det| 2 8 ; 7 3 | = -50

86K

7z² + 2z + 0 = 0

det| 9 4 ; 1 10 | = 86

224K

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

234K

det| 4 2 ; 5 5 | = 10

det| 9 8 ; 3 10 | = 66

218K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

354K

7γ² + 8γ + 3 = 0

70K