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