Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:37Z
∑_{k=1}^{n} k = n(n+1)/2
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
46K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
\frac{3}{2} \sum_{i=1}^{n} i^{2}
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
∂x/∂θ = 8x
\oint_C \vec{F}\cdot d\vec{r} = 0
339K
3φ² + 4φ + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
5ω² + 6ω + 0 = 0
det| 9 4 ; 1 10 | = 86
316K
∫₀^∞ e^(-θ²) dθ = √π / 2
e^{i\pi} + 1 = 0