Ximarc Studios Inc is proud to bring you Khan Academy PreCalculus. Khan Academy PreCalculus allows students to learn PreCalculus through various videos which are download directly on your Iphone or Ipod touch and in the future to your Ipad. Students can watch the video anywhere, anytime, all the time and NEVER be concerned about having access to the internet while you are going through a Khan Academy lesson.nnXimarc Studios will continue to bring you great video lessons from the Khan Academy. nnKhan Academy is a nonprofit organization with over 60,000 students world wide and is a library of videos numbering over 1100. Students are able to leverage a wide range of topics in Mathematics, Statistics, Physics, Chemistry and Biology. Khan Academy videos work through a numerous sets of problems providing the most comprehensive set of teaching videos available. Khan Academy also has sample standardized tests SAT and GMAT.nnTo learn more about the Khan Academy visit the website www.khanacademy.org.nnFor more information on Ximarc Studios visit the website www.ximarc.com.nnAll videos are copyright of Khan Academy.n