Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 23:13Z
∇²α = 0
e^{i\pi} + 1 = 0
d/dψ [ψ^7] = 7ψ^6
∫₀^∞ e^(-x²) dx = √π / 2
191K
9θ² + 1θ + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
1K
det| 4 8 ; 0 5 | = 20
det| 4 1 ; 0 5 | = 20
∑_{k=1}^{n} k = n(n+1)/2