
Big Addition & Subtraction.zip Chuck Mire (Rate this file/View comments)
This Windows program uses the same interface as my programs: Big Division and Big Multiplication. It can calculate very large integer addition and subtraction. Addition is done by just entering two numbers. If one of the numbers is negative, then subtraction is done. If both of the numbers are negative, then negative addition is done. The keyboard input for both numbers is not limited to 255 digits because the INPUT$ function was used instead of LINE INPUT. The results can be copied to the Windows Clipboard  formatted with commas and showing the number of digits for each variable. The attached zip file contains the Windows executable and the source code. 
Source included  QB64  377.97 KB  97 downloads
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