$\sqrt{\pi^2}$

$-18c\left(3c^2+2\right)^2\sin\left(3c^2+2\right)^3$

$\lim\:_{x\to\:0.5}\left(\frac{2cos\left(2x-1\right)+4x^2-4x+1}{\left(2x-1\right)^4}\right)$

$\int\sqrt{9x-x^2}dx$

$\left(3.7\right)^2-\left(0.8\right)^2+\left(2.4\right)^3$

$\int_{-\infty}^6re^{\frac{r}{2}}dr$

$\frac{1}{\cos\left(x\right)}1+\sin\left(x\right)+\tan\left(x\right)$