Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:56Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
468K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
\oint_C \vec{F}\cdot d\vec{r} = 0
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e^{i\pi} + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
∂x/∂r = 4x
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
det| 12 9 ; 5 13 | = 111
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 12 4 ; 4 13 | = 140
\lim_{r\to 0} \frac{\sin r}{r} = 1
387K