Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 15:23Z
∇²β = 0
det| 2 2 ; 6 3 | = -6
∫₀^∞ e^(-t²) dt = √π / 2
91K
d/dφ [φ^6] = 6φ^5
∑_{k=1}^{n} k = n(n+1)/2
137K
det| 7 4 ; 4 8 | = 40
262K
∑_{k=1}^{n} k = n(n+1)/2
218K
det| 9 6 ; 0 10 | = 90
299K