Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:40Z
∑_{k=1}^{n} k = n(n+1)/2
det| 9 5 ; 1 10 | = 85
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
∂x/∂θ = 8x
det| 1 4 ; 3 2 | = -10
339K
det| 6 6 ; 5 7 | = 12
177K
∫₀^∞ e^(-t²) dt = √π / 2
316K
∑_{k=1}^{n} k = n(n+1)/2
11K