Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 06:45Z
∫₀^∞ e^(-x²) dx = √π / 2
det| 10 5 ; 3 11 | = 95
det| 5 3 ; 7 6 | = 9
155K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
366K
det| 7 4 ; 4 8 | = 40
201K
\binom{n}{k} = \frac{n!}{k!(n-k)!}