fmod()

Prototype: double fmod(double numone, double numtwo);
Header File: math.h (C) or cmath (C++)
Explanation: This function is the same as the modulus operator. It returns the remainder of the division numone/numtwo. I include it to avoid it being confused with modf, a previous function of the day.

Example:

//Example will output remainder of 12/5 (2)
#include <cmath>
#include <iostream>

using namespace std;

int main()
{
  cout<<"The remainder of 12/5: "<<fmod(12/5);
}

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