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 17:47Z

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

∑_{k=1}^{n} k = n(n+1)/2

46K

∇ × E = −∂B/∂t

468K

iħ ∂ψ/∂t = Ĥψ

det| 3 7 ; 2 4 | = -2

289K

∂β/∂z = 1β

278K

3r² + 6r + 7 = 0

8ψ² + 7ψ + 0 = 0

339K

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

177K

E = mc²

\lim_{t\to 0} \frac{\sin t}{t} = 1

358K

8x² + 2x + 7 = 0

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

F = ma

det| 3 6 ; 1 4 | = 6