Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:53Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
46K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
289K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
278K
∂x/∂θ = 8x
det| 9 4 ; 1 10 | = 86
177K
3φ² + 4φ + 2 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
358K
5ω² + 6ω + 0 = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
\frac{4}{6} \sum_{i=1}^{n} i^{2}
11K