Algebra Explained c. 1 Order of Operations by iLearnFastSoftware.com
Designed to be completely different than any math series you have ever seen; Algebra Explained provides clear, creative and colorful video lessons in an iPad/iPhone app. Chapter 1 contains 16 lessons, 160 practice problems and study notes. The app includes electronic scratch paper and a calculator as well as study notes that you may edit, create and/or email. Chapter 1 covers the order of operations and fractions and is the first of a planned 15 part series.
Developer Website: http://ilearnfastsoftware.com