Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 17:01Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇ × E = −∂B/∂t
det| 4 2 ; 1 5 | = 18
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det| 2 9 ; 0 3 | = 6
∫₀^∞ e^(-φ²) dφ = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-θ²) dθ = √π / 2
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