Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 06:01Z

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∑_{k=1}^{n} k = n(n+1)/2

46K

det| 11 9 ; 0 12 | = 132

468K

8r² + 5r + 7 = 0

∂y/∂n = 5y

289K

2H₂ + O₂ → 2H₂O

278K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

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

339K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

177K

det| 10 2 ; 5 11 | = 100

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

358K

det| 9 4 ; 1 10 | = 86

121K

det| 6 3 ; 6 7 | = 24

\lim_{z\to 0} \frac{\sin z}{z} = 1

2H₂ + O₂ → 2H₂O