Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 15:44Z
∇²β = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
52K
det| 2 2 ; 6 3 | = -6
det| 7 4 ; 4 8 | = 40
90K
∑_{k=1}^{n} k = n(n+1)/2
91K
d/dφ [φ^6] = 6φ^5
∑_{k=1}^{n} k = n(n+1)/2
197K
∫₀^∞ e^(-φ²) dφ = √π / 2
262K