Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:35Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
46K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
det| 11 4 ; 5 12 | = 112
339K
det| 7 4 ; 4 8 | = 40
177K
3φ² + 4φ + 2 = 0
det| 2 7 ; 7 3 | = -43
358K
5ω² + 6ω + 0 = 0
det| 9 6 ; 0 10 | = 90
316K
∫₀^∞ e^(-θ²) dθ = √π / 2
∇²θ = 0
e^{i\pi} + 1 = 0