Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 15:42Z
∇²β = 0
det| 2 2 ; 6 3 | = -6
det| 1 4 ; 2 2 | = -6
91K
d/dφ [φ^6] = 6φ^5
det| 5 6 ; 1 6 | = 24
100K
∫₀^∞ e^(-φ²) dφ = √π / 2
197K
∑_{k=1}^{n} k = n(n+1)/2
196K
∑_{k=1}^{n} k = n(n+1)/2
218K