MOD

result = number1 MOD number1

Returns the remainder after division operator (Integer).

number1	The number you want the remainder of (Double).
number2	The number you want to divide by (Double).

REMARKS

* This is an operator and not a function.
* For more information, refer to the Numbers > Mod Operator page.
* The Excel calculation is different to the VBA calculation so you can get different answers.
* The VBA Operator uses integer division.
* The Excel function uses floating point division.
* The equivalent Excel function is Application.WorksheetFunction.MOD
* link - learn.microsoft.com/en-us/office/troubleshoot/excel/floating-point-arithmetic-inaccurate-result
* For the Microsoft documentation refer to learn.microsoft.com

Debug.Print 3 Mod 2           '= 1  
Debug.Print -3 Mod 2          '= -1  
Debug.Print 3 Mod -2          '= 1  
Debug.Print -3 Mod -2         '= -1  
Debug.Print 2 Mod 3           '= 2  
Debug.Print 3 Mod 3           '= 0  
Debug.Print 8 Mod 3           '= 2  
Debug.Print 8 Mod 30          '= 8  
Debug.Print -30 Mod 28        '= -2 , Excel returns 26  
Debug.Print 30 Mod 28         '= 2  
Debug.Print 15.86 Mod 2       '= 0 , Excel returns 1.86  
Debug.Print 100 Mod 40        '= 20  
Debug.Print True Mod True     '= 0  
Debug.Print 2 ^ 31 Mod 7      '= Overflow , Excel returns 2  
Debug.Print False Mod False   '= #DIV/0!  
Debug.Print 20 Mod 0          '= #DIV/0!  

Public Function XLMod(a As Single, b As Single) 
   XLMod = a - (b * VBA.Int(a/b)) 
End Function