Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 23:43Z
ΔS ≥ 0
det| 4 6 ; 2 5 | = 8
det| 5 3 ; 2 6 | = 24
270K
ΔS ≥ 0
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 12 9 ; 3 13 | = 129
det| 2 7 ; 7 3 | = -43
7K
∑_{k=1}^{n} k = n(n+1)/2
133K