To get help with Algebra 1, Algebra 2 and some Pre-calculus topics, visit Purple Math at:
Khan Academy provides videos on most math topics:
Or watch these videos on YouTube:
eHow Education provides videos on Solving Math Problems at https://www.youtube.com/playlist?list=PLyIIP3wOG_VBg4Pjv-TJXGKZJp0NlZpb1
Regents Prep Exam Center provides explanation and visual examples for Algebra 1, Geometry and Algebra 2 with Trigonometry:
Graphic Calculator Online:
Wolfram Alpha - provides conversions, graphing, solving, etc.