Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:36Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
46K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
det| 3 7 ; 2 4 | = -2
339K
3φ² + 4φ + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
316K
det| 12 1 ; 5 13 | = 151
11K