formulas

[mary]

I am trying to create a timesheet. I cannot seem to figure out the formula
to use to figure out hours worked

 

[S.Y.M. Wong-A-Ton]

You'll have to use code for this and not formulas. Try one of these solutions:
http://enterprise-solutions.swits.net/infopath/date-time-difference-calculations-vbscript.htm
http://enterprise-solutions.swits.net/infopath/time-calculations-using-rules.htm
http://enterprise-solutions.swits.net/infopath/adding-time-calculating-differences.htm