Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 01:58Z
iħ ∂ψ/∂t = Ĥψ
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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10t² + 5t + 5 = 0
det| 12 9 ; 5 13 | = 111
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∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 8 7 ; 1 9 | = 65
det| 7 4 ; 4 8 | = 40
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\frac{12}{9} \sum_{i=1}^{n} i^{2}
\lim_{t\to 0} \frac{\sin t}{t} = 1
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ω = 2πf