What is the C++ function to raise a number to a power?
pow() in the cmath library. More info here. Don’t forget to put #include<cmath> at the top of the file.
math
Converting 3D polar coordinates to cartesian coordinates
Your formula is correct for all angles. But the names that you’ve given the angles are probably not quite right. What you’ve called “horizontal angle” is the inclination angle – the angle between the vector and the z-axis. So if “horizontal angle” is 0, then the point lies on the z-axis, which means that it … Read more
Converting bytes to megabytes
Traditionally by megabyte we mean your second option — 1 megabyte = 220 bytes. But it is not correct actually because mega means 1 000 000. There is a new standard name for 220 bytes, it is mebibyte (http://en.wikipedia.org/wiki/Mebibyte) and it gathers popularity.