Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:20Z
∑_{k=1}^{n} k = n(n+1)/2
det| 11 9 ; 4 12 | = 96
∇ × E = −∂B/∂t
∫₀^∞ e^(-x²) dx = √π / 2
305K
5z² + 5z + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
293K
det| 12 9 ; 5 13 | = 111
110K
∑_{k=1}^{n} k = n(n+1)/2
34K