Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:34Z
∑_{k=1}^{n} k = n(n+1)/2
det| 5 2 ; 3 6 | = 24
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
det| 12 1 ; 5 13 | = 151
177K
3φ² + 4φ + 2 = 0
det| 9 8 ; 3 10 | = 66
121K