Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 15:21Z
∇²β = 0
det| 4 8 ; 3 5 | = -4
244K
∫₀^∞ e^(-x²) dx = √π / 2
52K
det| 2 2 ; 6 3 | = -6
det| 9 4 ; 1 10 | = 86
91K
d/dφ [φ^6] = 6φ^5
det| 10 3 ; 1 11 | = 107
∑_{k=1}^{n} k = n(n+1)/2
137K