The log base 2 is a logarithm which uses the base 2 in its calculations. Essentially, it asks what power do I need to raise 2 to result in a value y. Although it may appear to be an
It solves equations just by taking a picture of them. I think that this app is amazingly helpful with math it works really well and it's really cool that you can text the math problem I really suggest you download this app if you have troubles with a math problem.