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 01:19Z

iħ ∂ψ/∂t = Ĥψ

∑_{k=1}^{n} k = n(n+1)/2

168K

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

446K

10t² + 5t + 5 = 0

det| 9 4 ; 1 10 | = 86

144K

det| 7 9 ; 1 8 | = 47

371K

∇ × E = −∂B/∂t

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

259K

9θ² + 7θ + 4 = 0

86K

det| 8 7 ; 1 9 | = 65

2H₂ + O₂ → 2H₂O

224K

det| 3 6 ; 0 4 | = 12

234K

\frac{12}{9} \sum_{i=1}^{n} i^{2}

det| 2 2 ; 6 3 | = -6