Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:51Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-t²) dt = √π / 2
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3x² + 3x + 6 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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∇²t = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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7z² + 2z + 0 = 0
det| 9 4 ; 1 10 | = 86
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det| 4 2 ; 5 5 | = 10
∫₀^∞ e^(-α²) dα = √π / 2
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det| 10 3 ; 4 11 | = 98
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