About.com suggests phone apps like Algebra Genie, Wolfram Algebra Course Assistant, Quadratic Master, and Algebra Boot Camp. Mathway and WebMath are online sites that offer free math answers.
Sites that offer free help for math problems help solve difficult math equations. These sites typically show the steps required to reach the answer. However, some search engines provide answers without showing how it was reached.
Apps and websites that provide answers for math problems provide students with additional learning resources to help improve math skills and provide anwers by allowing users to know if they are reaching the right answer and if not why.