Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:48Z
F = G m₁m₂ / r²
\frac{2}{2} \sum_{i=1}^{n} i^{2}
244K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
det| 11 2 ; 5 12 | = 122
91K
2H₂ + O₂ → 2H₂O
det| 8 4 ; 0 9 | = 72
∑_{k=1}^{n} k = n(n+1)/2
197K
det| 3 1 ; 4 4 | = 8
6z² + 6z + 7 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
218K
\lim_{t\to 0} \frac{\sin t}{t} = 1
299K
∂β/∂β = 9β
iħ ∂ψ/∂t = Ĥψ