Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:57Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
det| 9 5 ; 1 10 | = 85
177K
3φ² + 4φ + 2 = 0
5ω² + 6ω + 0 = 0
det| 12 2 ; 2 13 | = 152
399K
∫₀^∞ e^(-θ²) dθ = √π / 2
∇²θ = 0