Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 19:25Z
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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3γ² + 9γ + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
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∂β/∂z = 1β
det| 9 4 ; 1 10 | = 86
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∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{t\to 0} \frac{\sin t}{t} = 1
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det| 5 2 ; 3 6 | = 24
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det| 10 3 ; 0 11 | = 110
\frac{7}{5} \sum_{i=1}^{n} i^{2}
d/dα [α^12] = 12α^11