Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:50Z
∑_{k=1}^{n} k = n(n+1)/2
det| 2 3 ; 5 3 | = -9
46K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 9 5 ; 1 10 | = 85
289K
det| 8 9 ; 4 9 | = 36
278K
∂x/∂θ = 8x
∑_{k=1}^{n} k = n(n+1)/2
177K
3φ² + 4φ + 2 = 0
5ω² + 6ω + 0 = 0