Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:33Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
∫₀^∞ e^(-n²) dn = √π / 2
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∫₀^∞ e^(-z²) dz = √π / 2
468K
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
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det| 1 7 ; 1 2 | = -5
Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 9 4 ; 1 10 | = 86
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\lim_{x\to 0} \frac{\sin x}{x} = 1
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\frac{3}{2} \sum_{i=1}^{n} i^{2}
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\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
387K