Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 21:08Z
7ω² + 9ω + 3 = 0
∫₀^∞ e^(-x²) dx = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-r²) dr = √π / 2
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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3n² + 8n + 2 = 0
∫₀^∞ e^(-t²) dt = √π / 2
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∇²x = 0
det| 4 8 ; 3 5 | = -4
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∑_{k=1}^{n} k = n(n+1)/2
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F = ma
det| 9 4 ; 1 10 | = 86
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