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 07:37Z

∑_{k=1}^{n} k = n(n+1)/2

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

46K

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

468K

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

8ψ² + 7ψ + 0 = 0

289K

det| 7 9 ; 1 8 | = 47

278K

∂x/∂θ = 8x

∇ × E = −∂B/∂t

339K

F = ma

177K

3φ² + 4φ + 2 = 0

det| 3 7 ; 2 4 | = -2

358K

iħ ∂ψ/∂t = Ĥψ

121K

5ω² + 6ω + 0 = 0

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

399K

det| 5 2 ; 1 6 | = 28

∫₀^∞ e^(-θ²) dθ = √π / 2