Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:31Z
∇ × E = −∂B/∂t
det| 11 2 ; 1 12 | = 130
∫₀^∞ e^(-θ²) dθ = √π / 2
158K
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
240K
∑_{k=1}^{n} k = n(n+1)/2
376K
det| 1 1 ; 1 2 | = 1
det| 7 4 ; 4 8 | = 40
139K
det| 12 9 ; 5 13 | = 111
344K
10ψ² + 2ψ + 3 = 0