1. $\displaystyle \int_0^\infty e^{-x^2} dx$

\begin{eqnarray*}x&=&\sin \alpha = \cos \beta\\&=&\cos(\pi-\alpha) = \sin(\pi-\beta) \end{eqnarray*}

2. \begin{figure}[h]\centering\includegraphics[width=3in]{images/image1}\caption{\bf Perbandingan Teknik FDM dan OFDM}\end{figure}

3. @inproceedings{citework:3,author={Yong Soo Cho, Jaekwon Kim, Won Young Yang, Chung-GuKang},year={2010},title={MIMO-OFDM Wireless Communications with MATLAB},publisher={IEEE Press}}@inproceedings{citework:4,author={W.Aziz, E.Ahmed, G.Abbes, S.Saleem},year={2012},title={Performance Analysis of Frequency Offset (CFO) in OFDM using MATLAB},journal={Journal of Engineering (JOE)},volume={1},number={1},}1. Peluruhan kata saat dibubuhkan Imbuhan,Sisipan, atau Akhiran.Menyapu bukan Mensapu2. Penggunaan Kata Depan Di bawah bukan Dibawah Dibawa bukan Di bawa Ke atas bukan Keatas