Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:39Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
det| 3 6 ; 0 4 | = 12
339K
3φ² + 4φ + 2 = 0
det| 6 6 ; 5 7 | = 12
358K
5ω² + 6ω + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 9 4 ; 1 10 | = 86
11K
det| 12 1 ; 5 13 | = 151
387K