Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:39Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
46K
det| 12 9 ; 5 13 | = 111
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
det| 7 6 ; 1 8 | = 50
339K
det| 11 4 ; 5 12 | = 112
177K
3φ² + 4φ + 2 = 0
det| 5 3 ; 7 6 | = 9
358K
det| 9 4 ; 1 10 | = 86
399K