Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:48Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 12 1 ; 5 13 | = 151
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ω = 2πf
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 1 7 ; 1 2 | = -5
\frac{4}{9} \sum_{i=1}^{n} i^{2}
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CH₄ + 2O₂ → CO₂ + 2H₂O
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{t\to 0} \frac{\sin t}{t} = 1
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\lim_{r\to 0} \frac{\sin r}{r} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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