Σ index Ledger /3 Matrix 11 Matrix 23 Rxn set 8 Rxn set 20 Batch 16 Σ#6 Eq pack 13 Σ#24 Σ#12 Matrix 17 Ledger /9 Rxn set 26 Batch 4 Σ#18

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-18 22:19Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

384K

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

385K

det| 11 9 ; 4 12 | = 96

det| 7 4 ; 4 8 | = 40

163K

∇ × E = −∂B/∂t

259K

∇ × E = −∂B/∂t

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

305K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

57K

F = G m₁m₂ / r²

293K

8θ² + 8θ + 6 = 0

110K