In addition to its basic spreadsheet functions, Microsoft Excel also allows writing formulas to perform functions on existing data. Using a quick equation, you can convert an existing set of time ...

To calculate in Excel how many hours someone has worked, you subtract the start time from the end time — the difference is the hours worked.

Warnings Excel will only produce binary numbers with up to 10 bits. This means that it can only convert decimal numbers greater than -513 and less than 512.

The DEC2BIN function in Microsoft Excel is an Engineering function, and its purpose is to convert a decimal number to binary. The formula for the DEC2BIN is DEC2BIN( Number, [Places]).