Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 16:24Z
det| 6 2 ; 7 7 | = 28
det| 7 4 ; 4 8 | = 40
479K
det| 12 9 ; 5 13 | = 111
8K
∫₀^∞ e^(-x²) dx = √π / 2
\frac{1}{3} \sum_{i=1}^{n} i^{2}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
264K
∑_{k=1}^{n} k = n(n+1)/2
276K
d/dψ [ψ^7] = 7ψ^6
\frac{2}{2} \sum_{i=1}^{n} i^{2}
250K
F = G m₁m₂ / r²
AgNO₃ + NaCl → AgCl↓ + NaNO₃