Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:08Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
468K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
e^{i\pi} + 1 = 0
det| 10 3 ; 4 11 | = 98
339K
\oint_C \vec{F}\cdot d\vec{r} = 0
177K
∂x/∂r = 4x
det| 9 4 ; 1 10 | = 86
358K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\frac{12}{6} \sum_{i=1}^{n} i^{2}
399K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K