Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 22:23Z
det| 5 7 ; 7 6 | = -19
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-x²) dx = √π / 2
138K
∫₀^∞ e^(-n²) dn = √π / 2
138K
6n² + 8n + 4 = 0
det| 7 4 ; 4 8 | = 40
176K
∇²φ = 0
det| 4 7 ; 2 5 | = 6
306K
∑_{k=1}^{n} k = n(n+1)/2
322K
det| 2 4 ; 4 3 | = -10
247K