Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:28Z
F = G m₁m₂ / r²
∫₀^∞ e^(-φ²) dφ = √π / 2
244K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
90K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
100K
det| 8 4 ; 0 9 | = 72
∫₀^∞ e^(-α²) dα = √π / 2
137K
d/dz [z^11] = 11z^10
197K
det| 3 1 ; 4 4 | = 8
det| 9 4 ; 1 10 | = 86
262K
∫₀^∞ e^(-y²) dy = √π / 2
196K
6z² + 6z + 7 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
218K
det| 8 9 ; 1 9 | = 63