Σ index Eq pack 19 Rxn set 14 Ledger /21 Ledger /15 Σ#12 Rxn set 20 Matrix 23 Rxn set 2 Ledger /3 Matrix 11 Σ#6 Matrix 17 Batch 10 Matrix 5

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-13 15:21Z

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

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

458K

∇ × E = −∂B/∂t

322K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

2H₂ + O₂ → 2H₂O

230K

det| 6 2 ; 6 7 | = 30

87K

det| 12 6 ; 1 13 | = 150

∂γ/∂z = 6γ

326K

CaCO₃ → CaO + CO₂

352K

∑_{k=1}^{n} k = n(n+1)/2

ΔS ≥ 0

109K

det| 11 4 ; 5 12 | = 112

172K

iħ ∂ψ/∂t = Ĥψ

25K