ln3 is a C++ library for arithmetic with large integers. The
fundamental feature of the library is the class ln, which can be used like any of
the built-in C++ integer types.
Example
#include <lnv3/lnv3.h>
main( )
{
ln X = "123123123";
ln Y = "234234234";
ln Z = X + Y;
cout << Z << endl;
}