Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:34Z
∑_{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}
det| 2 7 ; 7 3 | = -43
289K
det| 7 2 ; 7 8 | = 42
278K
∂x/∂θ = 8x
det| 5 2 ; 3 6 | = 24
177K
det| 10 2 ; 3 11 | = 104
399K
det| 7 4 ; 4 8 | = 40
11K