Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:28Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-x²) dx = √π / 2
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CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
det| 5 9 ; 7 6 | = -33
339K
∑_{k=1}^{n} k = n(n+1)/2
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∂x/∂r = 4x
det| 7 4 ; 4 8 | = 40
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\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 6 6 ; 5 7 | = 12
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∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 10 7 ; 3 11 | = 89
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