Hi,
A quick and dirty way would be to save it as a string, and when reading it back convert it back to a number e.g.
Print #1,MTR,MTOR,STR$(MCN),......... When saving
Input #1,MTR,MTOR,MCNXX$,...........
MCN=VAL(MCNXX$) When loading
Any Help, Yes/No let me know...