photomath solves math problems using your phone's camera. For real. All you do is focus on the problem with your camera and an answer pops up. It's pretty mind-blowing.
Available for iPhone, Android, Windows and Amazon devices.
You should know:
- It does not work on handwriting (yet)
- It gives you the final answer but it is happy to show the steps
If I need to say more you probably don't need this app. :-)