Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:45Z
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
244K
det| 2 7 ; 7 3 | = -43
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
91K
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
50K
∫₀^∞ e^(-θ²) dθ = √π / 2
137K
∑_{k=1}^{n} k = n(n+1)/2
197K