Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 06:01Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-φ²) dφ = √π / 2
479K
∑_{k=1}^{n} k = n(n+1)/2
8K
det| 5 9 ; 4 6 | = -6
det| 1 2 ; 7 2 | = -12
102K
F = G m₁m₂ / r²
9ω² + 3ω + 5 = 0
9θ² + 8θ + 7 = 0