Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:59Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
\frac{2}{2} \sum_{i=1}^{n} i^{2}
289K
e^{i\pi} + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
det| 7 8 ; 4 8 | = 24
177K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\frac{4}{6} \sum_{i=1}^{n} i^{2}
399K
det| 9 4 ; 1 10 | = 86
316K
\oint_C \vec{F}\cdot d\vec{r} = 0
11K
∑_{k=1}^{n} k = n(n+1)/2
387K