Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:59Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-x²) dx = √π / 2
479K
det| 9 4 ; 1 10 | = 86
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}