Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-08-18 23:41Z
∫₀^∞ e^(-n²) dn = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
240K
\lim_{x\to 0} \frac{\sin x}{x} = 1
det| 8 2 ; 7 9 | = 58
376K
∇²θ = 0
\frac{12}{7} \sum_{i=1}^{n} i^{2}
82K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
142K
\frac{9}{8} \sum_{i=1}^{n} i^{2}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
191K
4ω² + 4ω + 2 = 0
4φ² + 2φ + 7 = 0