Convert character array to float?

Question

I\'m writing a very basic command line C++ application that takes arguments on execution.

I just started C++ today, and it seems apparent that you can only take

Answer 1

Using this to convert your input to float number,

double f1, f2;
if (argc == 2)
{
    f1 = atof (argv[0]);
    f2 = atof (argv[1]);
}