Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:41Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
244K
det| 5 3 ; 2 6 | = 24
52K
det| 12 5 ; 4 13 | = 136
det| 7 4 ; 4 8 | = 40
90K
\lim_{x\to 0} \frac{\sin x}{x} = 1
91K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
50K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
137K
∫₀^∞ e^(-t²) dt = √π / 2
196K