Developing invoices? Just want to keep track of when you printed a page out? There are many reasons one could need today's Date, Time, or some variation to always be present on the spreadsheet.
Today we'll cover how to do that, using the formula =now()
If you type the formula =now() into a blank cell, it will display just that. It will show you the date, and the time.
You can modify this in many different ways. If you edit the cells formatting preferences (right click -> format -> number tab) you can make the date and time look however you want.
Another trick is to use the =text() function. This function allows you to convert any number into text of your choosing (date/time is a number in excel, you just typically don't see it that way)
the format is =text(dateTime,formatStyle).
for dateTime, I'd just put in the formula =now(), so it looks like:
=text(now(),formatStyle)
To see your different options for "format style' I recommend right clicking on a cell, clicking "format cell", going to "number" and selecting the custom type. You will see lots of formatting codes (and can test them right in the window) to figure out what you need. Once you've figured out the code you want, replace formatStyle with it.
=text(now(),"MMYYDDD") would make that cell today show "08232008". If I put in:
=text(now(),"MMMM") it would just show "August".
I think this function can have lots of uses, so have at it!