FractionalPart
FractionalPart[n]
gives the fractional part of n
Attributes[FractionalPart] := {Listable, NumericFunction, Protected, ReadProtected}
Simple examples
In[1]:= FractionalPart[-1] Out[1]= 0
In[2]:= FractionalPart[(3)/(4)*-1] Out[2]= (3)/(4)*-1
In[3]:= FractionalPart[(1)/(2)*-1] Out[3]= (1)/(2)*-1
In[4]:= FractionalPart[(1)/(4)*-1] Out[4]= (1)/(4)*-1
In[5]:= FractionalPart[0] Out[5]= 0
In[6]:= FractionalPart[(1)/(4)] Out[6]= (1)/(4)
In[7]:= FractionalPart[(1)/(2)] Out[7]= (1)/(2)
In[8]:= FractionalPart[(3)/(4)] Out[8]= (3)/(4)
In[9]:= FractionalPart[1] Out[9]= 0