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 22:33Z

det| 5 1 ; 4 6 | = 26

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

46K

∂γ/∂θ = 2γ

468K

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

289K

12y² + 5y + 7 = 0

278K

12φ² + 4φ + 4 = 0

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

339K

det| 4 2 ; 6 5 | = 8

177K

8ψ² + 7ψ + 0 = 0

358K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

∇ × E = −∂B/∂t

316K

∂z/∂φ = 7z

11K