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 00:52Z

∑_{k=1}^{n} k = n(n+1)/2

det| 3 6 ; 0 4 | = 12

168K

det| 2 6 ; 0 3 | = 6

446K

3x² + 3x + 6 = 0

iħ ∂ψ/∂t = Ĥψ

144K

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

371K

∇²t = 0

PV = nRT

259K

∇ × E = −∂B/∂t

86K

7z² + 2z + 0 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

224K

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

234K

8ψ² + 7ψ + 0 = 0

218K

det| 9 8 ; 3 10 | = 66

354K