Mathway is a mobile and web-based math solving application and community with millions of users and billions of mathematical problems solved. With Mathway you can find answers from basic algebra to complex calculus with instant results. Type your math problem into the prompt or point a camera and snap a picture and receive your answer.
The free version of Mathway allow you to solve basic math problems. However, if you want to see the steps nessesary to solv a problem, a paid subscription is required. The premium version cost $19.99 per month or $79.99 per year.