Algebra Pro

If you're in Algebra I or II, this application will help you beyond your highest expectations with a rich collection of solvers, tutorials, and examples for the following topics:

Classifying Numbers
Points and Lines
Systems of Equations
Word Problems
Inequalities
Linear Programming
Direct and Inverse Variation
Simplifying Radicals
Polynomials
Zeros and End Behavior
Synthetic Division
Remainder Theorem
Factoring
Domains and Ranges
Compositions of Functions
Inverse Functions
Piecewise Functions
Quadratic Functions
Quadratic Formula
Rational Functions
Exponential Functions
Logarithms
Compound Interest
Graph Symmetry
Conic Sections
Binomial Expansion
Arithmetic Sequences
Geometric Sequences
Matrices
Complex Numbers
Rectangular and Polar Notation

Note: there are dozens of solvers, but there aren't solvers for every topic.