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 17:10Z

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

∇ × E = −∂B/∂t

46K

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

468K

iħ ∂ψ/∂t = Ĥψ

\frac{4}{6} \sum_{i=1}^{n} i^{2}

289K

PV = nRT

278K

3r² + 6r + 7 = 0

∑_{k=1}^{n} k = n(n+1)/2

339K

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

177K

E = mc²

7r² + 8r + 5 = 0

358K

det| 4 2 ; 6 5 | = 8

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

8ψ² + 7ψ + 0 = 0

399K

e^{i\pi} + 1 = 0

316K

det| 3 6 ; 1 4 | = 6