There is no simple answer to that, as it will depend on various factors. Each project is different. Without all of those factors, it is not possible to start to answer the question. It could be done in Excel, but a better application for managing a project is Microsoft Project.
You can easily do this with Microsoft Excel or OpenOffice's spreadsheet module.
no
Friday. There are lots of ways to calculate this, but I just typed the date into MS Excel and formatted the cell to show the day of the week.
a serial value to the date
numerical
You select a cell, and type:= now()You can also make calculations involving the current date/time. For example, if in some cell you have a fixed date, you can use a formula involving now() to calculate how many days have passed from that date.
Format / Cells / Date
ask me plz...
date
You do not. Excel does not record the change date of an individual cell.
Say the dates are in A2 and A3, with A2 being the earlier date. If you want their age based on the last birthday, no matter how close the next one is, you could use the following formula: =INT( (A3-A2)/365.25)
Formatting. There are many ways of formatting dates in Excel.