Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:40Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
det| 2 6 ; 0 3 | = 6
339K
det| 6 6 ; 5 7 | = 12
177K
3φ² + 4φ + 2 = 0
det| 5 6 ; 2 6 | = 18
358K
det| 5 3 ; 7 6 | = 9
121K
5ω² + 6ω + 0 = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
∇²θ = 0