Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:51Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-ψ²) dψ = √π / 2
46K
det| 5 2 ; 3 6 | = 24
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∂x/∂θ = 8x
det| 7 4 ; 4 8 | = 40
177K
∑_{k=1}^{n} k = n(n+1)/2
121K