Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:21Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
∫₀^∞ e^(-θ²) dθ = √π / 2
238K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 1 ; 6 10 | = 84
∫₀^∞ e^(-θ²) dθ = √π / 2
det| 4 6 ; 4 5 | = -4
95K
det| 11 5 ; 0 12 | = 132
121K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
CaCO₃ → CaO + CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}