Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:54Z
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
244K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
90K
2H₂ + O₂ → 2H₂O
∫₀^∞ e^(-θ²) dθ = √π / 2
137K
∑_{k=1}^{n} k = n(n+1)/2
197K