From the Developer
Solve your math problems anywhere, anytime.
Bring the solving power of Mathway.com to your iPhone, iPod Touch, or iPad; no network access required! Get free instant answers to your math problems, or upgrade to a premium membership to also receive step-by-step work and explanations. With tens of millions of problems already solved, Mathway is the #1 problem solving resource available for students, parents, and teachers.
Math subjects covered include Basic Math, Pre-Algebra, Algebra, Trigonometry, Precalculus, Calculus, and Statistics.