
The `RANDBETWEEN` function in Excel is used to generate a random integer between two specified numbers. Here’s how you can use it:
Syntax
RANDBETWEEN(bottom, top)
- bottom: This is the smallest integer that the function can return.
- top: This is the largest integer that the function can return.
Steps to Use `RANDBETWEEN`
- Select the Cell: Click on the cell where you want the random number to appear.
- Enter the Formula: Type `=RANDBETWEEN(`, followed by the two numbers (bottom and top) you are specifying, separated by a comma.
- Complete the Function: Close the parenthesis and press `Enter`.
Example
If you want to generate a random number between 1 and 100, you would type:
=RANDBETWEEN(1, 100)
Important Points
- Volatile Function: `RANDBETWEEN` is a volatile function, meaning it recalculates and generates a new random number every time there is a calculation performed in the workbook (such as when any cell is edited or when the file is opened).
- Prevent Recalculation: If you want to prevent the number from recalculating, you can copy the cell with the random number and then paste it as a value (using `Paste Special`) to keep a static number.
- Versions: `RANDBETWEEN` is available in Excel 2007 and later versions. If you are using an earlier version of Excel, you might need to use the `RAND` function in combination with other formula techniques to achieve similar functionality.
Using the `RANDBETWEEN` function is useful for simulations, generating random test data, and other activities requiring random number generation within a specified range.