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 17:01Z

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

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

46K

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

468K

iħ ∂ψ/∂t = Ĥψ

8ψ² + 7ψ + 0 = 0

289K

∇²θ = 0

278K

3r² + 6r + 7 = 0

11t² + 6t + 6 = 0

339K

∂z/∂ψ = 1z

177K

E = mc²

∇ × E = −∂B/∂t

358K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

F = ma