Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
∫₀^∞ e^(-x²) dx = √π / 2
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2H₂ + O₂ → 2H₂O
\lim_{t\to 0} \frac{\sin t}{t} = 1
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 4 1 ; 0 5 | = 20
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 2 3 ; 7 3 | = -15
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 7 4 ; 4 8 | = 40
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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