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 00:27Z

∑_{k=1}^{n} k = n(n+1)/2

12α² + 6α + 7 = 0

168K

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

446K

3x² + 3x + 6 = 0

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

144K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

371K

∇²t = 0

∂z/∂ψ = 1z

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7z² + 2z + 0 = 0

5z² + 8z + 3 = 0

224K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

det| 9 4 ; 1 10 | = 86

354K