Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:35Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-t²) dt = √π / 2
385K
det| 11 9 ; 4 12 | = 96
∫₀^∞ e^(-ψ²) dψ = √π / 2
259K
∇ × E = −∂B/∂t
Fe₂O₃ + 3CO → 2Fe + 3CO₂
305K
5z² + 5z + 0 = 0
det| 6 6 ; 3 7 | = 24
det| 5 2 ; 3 6 | = 24
34K
∑_{k=1}^{n} k = n(n+1)/2
354K