Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 19:20Z
ω = 2πf
∫₀^∞ e^(-r²) dr = √π / 2
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3γ² + 9γ + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
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∂β/∂z = 1β
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 3 ; 0 11 | = 110
d/dα [α^12] = 12α^11
det| 9 4 ; 1 10 | = 86
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det| 3 7 ; 2 4 | = -2
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det| 2 6 ; 3 3 | = -12