Returns the remainder after number is divided by divisor. The result has the same sign as divisor.
Syntax
MOD(number,divisor)
Number is the number for which you want to find the remainder.
Divisor is the number by which you want to divide number.
Remarks

If divisor is 0, MOD returns the #DIV/0! error value.

The MOD function can be expressed in terms of the INT function:
MOD(n, d) = n  d*INT(n/d)
Examples
Formula 
Description (Result) 
=MOD(3, 2) 
Remainder of 3/2. (1) 
=MOD(3, 2) 
Remainder of 3/2. The sign is the same as divisor. (1) 
=MOD(3, 2) 
Remainder of 3/2. The sign is the same as divisor. (1) 
=MOD(3, 2) 
Remainder of 3/2. The sign is the same as divisor. (1) 