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 00:20Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

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

144K

e^{i\pi} + 1 = 0

371K

∇²t = 0

8ψ² + 7ψ + 0 = 0

259K

det| 11 9 ; 0 12 | = 132

86K

7z² + 2z + 0 = 0

∇ × E = −∂B/∂t

224K

10t² + 9t + 5 = 0

234K

det| 4 2 ; 5 5 | = 10

det| 12 2 ; 2 13 | = 152

218K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

354K

2H₂ + O₂ → 2H₂O

iħ ∂ψ/∂t = Ĥψ