RPN-Unlimited-Precision-BCD-Calculator

A simple RPN calculator for unlimited-precision unsigned integers, represented in Binary Coded Decimal (BCD). note: after running "make", dont forget to run the command "chmod u+x calc.s", before you exec calc.bin. The operations to be supported by this calculator are: Quit (q) Addition (unsigned) (+) Pop-and-print (p) Duplicate (d) Bitwise AND (&), on the actual bits The calculator use a a stack, so for example, the calculation of "2 + 2" is done with the commands:

1. "2"
2. "2"
3. "+"
4. "p"