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 20:10Z

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

∑_{k=1}^{n} k = n(n+1)/2

46K

iħ ∂ψ/∂t = Ĥψ

468K

CaCO₃ → CaO + CO₂

det| 2 3 ; 5 3 | = -9

289K

iħ ∂ψ/∂t = Ĥψ

278K

e^{i\pi} + 1 = 0

8ψ² + 7ψ + 0 = 0

339K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

177K

∂x/∂r = 4x

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

358K

∫₀^∞ e^(-θ²) dθ = √π / 2

121K

d/dx [x^3] = 3x^2

399K

N₂ + 3H₂ ⇌ 2NH₃

316K