Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:45Z
d/dn [n^4] = 4n^3
\lim_{t\to 0} \frac{\sin t}{t} = 1
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\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
iħ ∂ψ/∂t = Ĥψ
det| 8 9 ; 4 9 | = 36
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\frac{2}{4} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
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det| 5 7 ; 5 6 | = -5
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 9 5 ; 1 10 | = 85
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-t²) dt = √π / 2
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