Σ index Rxn set 14 Batch 16 Batch 22 Ledger /15 Ledger /3 Rxn set 26 Eq pack 25 Matrix 5 Σ#18

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-02 19:28Z

∇ × E = −∂B/∂t

det| 5 6 ; 2 6 | = 18

279K

∇²z = 0

316K

det| 5 1 ; 3 6 | = 27

∫₀^∞ e^(-r²) dr = √π / 2

335K

∇²r = 0

284K

CH₄ + 2O₂ → CO₂ + 2H₂O

Fe₂O₃ + 3CO → 2Fe + 3CO₂

22K

∑_{k=1}^{n} k = n(n+1)/2

418K

det| 1 2 ; 7 2 | = -12

e^{i\pi} + 1 = 0

394K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

247K

7γ² + 3γ + 7 = 0

d/dn [n^3] = 3n^2

437K

2β² + 9β + 7 = 0

454K

det| 5 2 ; 1 6 | = 28

467K

∫₀^∞ e^(-β²) dβ = √π / 2

192K