Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:56Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
det| 5 3 ; 7 6 | = 9
177K
3φ² + 4φ + 2 = 0
det| 3 7 ; 2 4 | = -2
399K
∫₀^∞ e^(-n²) dn = √π / 2
316K
det| 7 4 ; 4 8 | = 40
11K
det| 3 6 ; 0 4 | = 12
387K