Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:14Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-z²) dz = √π / 2
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iħ ∂ψ/∂t = Ĥψ
3r² + 6r + 7 = 0
det| 7 6 ; 1 8 | = 50
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E = mc²
det| 2 7 ; 7 3 | = -43
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det| 9 4 ; 1 10 | = 86
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det| 11 4 ; 5 12 | = 112
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