Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 22:10Z
det| 5 7 ; 7 6 | = -19
∑_{k=1}^{n} k = n(n+1)/2
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
6n² + 8n + 4 = 0
∇²φ = 0
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-φ²) dφ = √π / 2
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5y² + 8y + 1 = 0
det| 4 6 ; 0 5 | = 20
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