logging in spreadsheet help

scottyyboyy

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hi all please help,

i have a logging in spread sheet form members of staff but what i want to know is:

if cell b2 has 08:15 and cell c2 is blank because they forgot to log out how can i put a formula in c2 to put a default time of of 15 mins in so c2 shows 08:30

can this be done.

thanks in advance
 
If I'm understanding your request correctly, you're asking for something like (If C2=blank, C2=B2+0:15). I don't believe this is possible because of circular logic; C2 would reference itself. The formula you'd want is =IF(C2="",B2+"0:15"), but it would need to be in another column, say an error checking column.
 
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