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

det| 10 7 ; 3 11 | = 89

168K

∇ × E = −∂B/∂t

446K

3x² + 3x + 6 = 0

det| 11 5 ; 0 12 | = 132

144K

11t² + 9t + 5 = 0

371K

∇²t = 0

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

259K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

86K

7z² + 2z + 0 = 0

10γ² + 8γ + 7 = 0

224K

8ψ² + 7ψ + 0 = 0

234K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

218K

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

354K