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 17:28Z

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

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

46K

d/dθ [θ^3] = 3θ^2

468K

iħ ∂ψ/∂t = Ĥψ

∂α/∂r = 8α

289K

ω = 2πf

278K

3r² + 6r + 7 = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

339K

∑_{k=1}^{n} k = n(n+1)/2

177K

E = mc²

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

358K

∇²ω = 0

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

∫₀^∞ e^(-x²) dx = √π / 2

399K

det| 9 4 ; 1 10 | = 86

316K