Working Out How Many Periods. You can calculate how many Periods if you know a Future Value, a Present Value and the Interest Rate. Example: you want to know how many periods it will take to turn $1,000 into $2,000 at 10% interest.orking Out How Many Periods. You can calculate how many Periods if you know a Future Value, a Present Value and the Interest Rate. Example: you want to know how many periods it will take to turn $1,000 into $2,000 at 10% interest.
Begin the process by double-clicking the Excel file that contains the cells that you want to resize. Locate the cell that you want to adjust, then right click the column heading at the top of that cellâs column. The column heading is the letter above the spreadsheet. Click the Column Width option, then enter a value into the field. You can enter any value into this field up to 255, but bear in mind that the default value is 8.43, so adjust accordingly. Once you have entered a new value, click OK.
Microsoft Excel supports small to very large numbers. To use an integer, click a cell and type it. If the number is greater that 999, you can simply enter it. If you want such a number to be easily readable and use the thousand separator, you can enter it with that character.