The Big Integer and Prime Number Calculator includes multiple functions for generating and working with large integer values and prime numbers. The number of digits in each register is limited by the Maximum Length parameter of the Rich Text Box used for the x, y, z, and rem registers of 2,147,483,647 character, the memory, and, speed of the system it’s installed on. The resulting functional values are always integers. The calculator also allows the user to work with input values in Decimal, Ascii-Hex, Base-64, and Binary.