Back to: Excel Custom Function/Formulas . Got any Excel/VBA Questions? Free Excel Help
This UDF will generate x unique random numbers between any 2 numbers you specify.
Many thanks to J.E. McGimpsey for modifying this to work on more than 10 numbers.
Function RandLotto(Bottom As Integer, Top As Integer, _ Amount As Integer) As String Dim iArr As Variant Dim i As Integer Dim r As Integer Dim temp As Integer Application.Volatile ReDim iArr(Bottom To Top) For i = Bottom To Top iArr(i) = i Next i For i = Top To Bottom + 1 Step -1 r = Int(Rnd() * (i - Bottom + 1)) + Bottom temp = iArr(r) iArr(r) = iArr(i) iArr(i) = temp Next i For i = Bottom To Bottom + Amount - 1 RandLotto = RandLotto & " " & iArr(i) Next i RandLotto = Trim(RandLotto) End Function
To use this UDF push Alt+F11 and go
Insert>Module and paste in the code. Push
Alt+Q and save. The Function will appear under "User
Defined" in the Paste Function dialog box (Shift+F3).
Use the Function in any cell as shown below.
This would produce 8 unique random numbers between 1 and 20
See Also: Excel Duplication Manager Add-in | Excel Number Manager Add-in | Excel Text Manager Add-in | Excel Named Range Add-in Manager | Excel OzGrid Plus Add-in | Excel Time Sheet | Excel Time Wage and Pay book
Excel Dashboard Reports & Excel Dashboard Charts 50% Off Become an ExcelUser Affiliate & Earn Money
Special! Free Choice of Complete Excel Training Course OR Excel Add-ins Collection on all purchases totaling over $64.00. ALL purchases totaling over $150.00 gets you BOTH! Purchases MUST be made via this site. Send payment proof to firstname.lastname@example.org 31 days after purchase date.
Instant Download and Money Back Guarantee on Most Software
Excel Trader Package Technical Analysis in Excel With $139.00 of FREE software!
Microsoft ® and Microsoft Excel ® are registered trademarks of Microsoft Corporation. OzGrid is in no way associated with Microsoft
Some of our more popular products are below...
Convert Excel Spreadsheets To Webpages | Trading In Excel | Construction Estimators | Finance Templates & Add-ins Bundle | Code-VBA | Smart-VBA | Print-VBA | Excel Data Manipulation & Analysis | Convert MS Office Applications To...... | Analyzer Excel | Downloader Excel | MSSQL Migration Toolkit | Monte Carlo Add-in | Excel Costing Templates