Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:20Z
d/dn [n^4] = 4n^3
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∫₀^∞ e^(-θ²) dθ = √π / 2
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∫₀^∞ e^(-ω²) dω = √π / 2
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iħ ∂ψ/∂t = Ĥψ
∫₀^∞ e^(-t²) dt = √π / 2
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\frac{2}{4} \sum_{i=1}^{n} i^{2}
\lim_{r\to 0} \frac{\sin r}{r} = 1
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det| 5 7 ; 5 6 | = -5
det| 9 4 ; 1 10 | = 86
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∑_{k=1}^{n} k = n(n+1)/2
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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