Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 13:29Z
det| 11 7 ; 6 12 | = 90
∑_{k=1}^{n} k = n(n+1)/2
168K
∫₀^∞ e^(-t²) dt = √π / 2
446K
d/dy [y^12] = 12y^11
9n² + 8n + 0 = 0
d/dt [t^5] = 5t^4
det| 7 4 ; 4 8 | = 40
234K
∇²t = 0
∑_{k=1}^{n} k = n(n+1)/2
70K