Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:46Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 11 5 ; 0 12 | = 132
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∫₀^∞ e^(-θ²) dθ = √π / 2
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CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
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∂x/∂r = 4x
det| 9 4 ; 1 10 | = 86
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