Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 16:10Z
det| 6 2 ; 7 7 | = 28
∑_{k=1}^{n} k = n(n+1)/2
479K
det| 12 9 ; 5 13 | = 111
8K
∫₀^∞ e^(-x²) dx = √π / 2
∫₀^∞ e^(-φ²) dφ = √π / 2
102K
\frac{1}{3} \sum_{i=1}^{n} i^{2}
d/dψ [ψ^7] = 7ψ^6
det| 9 4 ; 1 10 | = 86
62K