Math Tutor DVD, LLC announces Math and Science Tutor 1.0.4, a feature update to their best-selling educational app for iOS devices. Designed for students at all learning levels, from those in grade school all the way through to graduate school, Math and Science Tutor delivers over 1,500 step-by-step, full-length lessons. In total, there are more than 500 hours of instruction that can be viewed instantly on-demand. Version 1.0.4 adds new statistics lessons. Math and Science Tutor 1.0.4 is Free and can be downloaded from iTunes.