Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:37Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
278K
∂x/∂θ = 8x
∑_{k=1}^{n} k = n(n+1)/2
177K
3φ² + 4φ + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
358K
det| 5 9 ; 7 6 | = -33
121K
5ω² + 6ω + 0 = 0