How do I only recalculate 1 cell

[Zane]

set a wrksheet to add time and date when a number is entered in an adjacent
cell, have 40 rows similar, but when i move to next line it recalulates the
times in all lines. How do I stop it from recalculating in all cells?

 

[JLGWhiz]

You need to post your code so we can see what it really does.