Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:41Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\lim_{β\to 0} \frac{\sin β}{β} = 1
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ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
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det| 1 7 ; 1 2 | = -5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 9 4 ; 1 10 | = 86
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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