Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 16:34Z
∇ × E = −∂B/∂t
det| 7 4 ; 4 8 | = 40
75K
\frac{8}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
129K
F = ma
10n² + 4n + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
12x² + 6x + 5 = 0