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 20:50Z

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

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

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

CaCO₃ → CaO + CO₂

∇²θ = 0

289K

12y² + 5y + 7 = 0

278K

e^{i\pi} + 1 = 0

iħ ∂ψ/∂t = Ĥψ

339K

11t² + 6t + 6 = 0

177K

F = G m₁m₂ / r²

358K

∂ψ/∂β = 3ψ

121K

det| 12 9 ; 5 13 | = 111

399K

det| 9 4 ; 1 10 | = 86

316K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

11K