This is program to perform simple arithmetic calculations for large numbers.
It implementes the mechanism taught in schools so something like: 
6571236578638735649827674936398978136485937856903265927348293857692364203856413841051480 * 5912783659812346570123657123657863873564982767493639897813648593756413841051480
or even larger numbers can be computed 

#arithmetic #calculations #stupendouslylargenumbers