Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:16Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
CH₄ + 2O₂ → CO₂ + 2H₂O
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
468K
ω = 2πf
\frac{3}{2} \sum_{i=1}^{n} i^{2}
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det| 7 4 ; 4 8 | = 40
278K
det| 1 7 ; 1 2 | = -5
Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
358K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K