Please note that I am looking for a book for GMAT Math. I already use OG11 and OG12. I am targeting 650 and I am getting 600 in my practice test. So, if you know any good GMAT Math book, please let me know. Thanks!
I am someone who is looking for a Data Analyst jobs which uses SQL and Excel as a main tools. Moreover, I am not looking for a computer programming jobs. However, I would like to know is it worth to learn Perl. Perl seems to be a easy and short.