Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:39Z
∑_{k=1}^{n} k = n(n+1)/2
\lim_{t\to 0} \frac{\sin t}{t} = 1
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
\frac{8}{6} \sum_{i=1}^{n} i^{2}
278K
∂x/∂θ = 8x
det| 9 4 ; 1 10 | = 86
339K
det| 9 8 ; 3 10 | = 66
177K
3φ² + 4φ + 2 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
358K
CH₄ + 2O₂ → CO₂ + 2H₂O
121K
5ω² + 6ω + 0 = 0
det| 5 2 ; 1 6 | = 28
∫₀^∞ e^(-θ²) dθ = √π / 2