Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:09Z
4y² + 8y + 1 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
468K
2H₂ + O₂ → 2H₂O
d/dt [t^11] = 11t^10
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
121K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
11K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K
∫₀^∞ e^(-t²) dt = √π / 2
346K