Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:39Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
289K
det| 5 3 ; 7 6 | = 9
278K
∂x/∂θ = 8x
det| 2 8 ; 7 3 | = -50
339K
3φ² + 4φ + 2 = 0
det| 5 2 ; 3 6 | = 24
358K
5ω² + 6ω + 0 = 0
∫₀^∞ e^(-θ²) dθ = √π / 2