Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:52Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-t²) dt = √π / 2
468K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
278K
e^{i\pi} + 1 = 0
det| 3 7 ; 2 4 | = -2
339K
∫₀^∞ e^(-x²) dx = √π / 2
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∂x/∂r = 4x
det| 10 2 ; 3 11 | = 104
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det| 7 4 ; 4 8 | = 40
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