Give it a number and it will tell you many useful things about the number.
More features are added all the time.
Trigonometric ratios (sine, cosine, tangent)
Convert number to Binary, Hexadecimal, and Octal notation
Square, cube, and every root up to the 10th root
Full equation evaluator
Derivatives and Integrals
Function graphs (y=f(x))
Function arithmetic (f(x)+g(x)=?)
Arbitrary precision calculator (Infinite precision)
Full hardware acceleration for much more efficiency and speed
Download it here