software

i have two columns of data both time formats when i subtract one from the
other it displays ###### if it is a minus value is there away to get round

on opening spreadsheet a, i am always asked if i would like to update links.
one link reference is to spreadsheet c, which i open and update regularly.

Is there any way to hi lite the entire row the cursor is on? I have a wide
spread sheet and this would help user see other data in a row he is inputing

How do I set this up?

I want to track the date last changed of several cells, so anyone looking at
the information can easily see the last updated date. I want the date last

I've looked around here and found this formula for making the sheet name
appear in a cell:

Hello experts!

I'm trying to create a formula to test multiple situations. I have a mock up
of my spreadsheet below:

I have one column of unsorted cells.

Hello Group,