Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:59Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 7 ; 2 5 | = 6
384K
det| 11 5 ; 0 12 | = 132
385K
det| 11 9 ; 4 12 | = 96
det| 9 4 ; 1 10 | = 86
259K
∇ × E = −∂B/∂t
Fe₂O₃ + 3CO → 2Fe + 3CO₂
57K
∫₀^∞ e^(-t²) dt = √π / 2
110K