Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 21:57Z
N₂ + 3H₂ ⇌ 2NH₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
384K
9γ² + 6γ + 1 = 0
det| 4 2 ; 6 5 | = 8
163K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
∫₀^∞ e^(-θ²) dθ = √π / 2
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2y² + 8y + 6 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
293K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
110K
det| 7 4 ; 4 8 | = 40
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∑_{k=1}^{n} k = n(n+1)/2
34K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
368K