There are various reasons you might want to find your laptop or computer’s serial number. Some schools ask that you register your laptop for academic use. Workplaces often do the same thing. You may ...

Microsoft's office software Excel is a powerful tool to perform day-to-day activities with, like simple arithmetic, sorting, filtering, arranging and summarising data in various formats. Excel has a ...

If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...