Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:28Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\lim_{β\to 0} \frac{\sin β}{β} = 1
468K
ω = 2πf
det| 2 6 ; 0 3 | = 6
289K
det| 7 4 ; 4 8 | = 40
278K
det| 1 7 ; 1 2 | = -5
∑_{k=1}^{n} k = n(n+1)/2
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\frac{4}{9} \sum_{i=1}^{n} i^{2}
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{2}{2} \sum_{i=1}^{n} i^{2}
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K