Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:25Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{8}{7} \sum_{i=1}^{n} i^{2}
468K
CaCO₃ → CaO + CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
289K
e^{i\pi} + 1 = 0
∫₀^∞ e^(-α²) dα = √π / 2
339K
∂x/∂r = 4x
det| 4 7 ; 2 5 | = 6
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
399K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
det| 9 4 ; 1 10 | = 86
11K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
387K